Home / 123,783,779,943.52-170,820,589,464.68-69,590,570,144.76

Finding the Fourth Proportional to 123,783,779,943.52, 170,820,589,464.68 and 69,590,570,144.76

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Solution

The fourth proportional to 123,783,779,943.52, 170,820,589,464.68 and 69,590,570,144.76 is: 96,034,409,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,783,779,943.52 : 170,820,589,464.68 = 69,590,570,144.76 : x
  2. Step 2: Convert to fraction form
    123,783,779,943.52/170,820,589,464.68 = 69,590,570,144.76/x
  3. Step 3: Cross multiply
    123,783,779,943.52x = 170,820,589,464.68 × 69,590,570,144.76
  4. Step 4: Simplify right side
    123,783,779,943.52x = 11,887,502,213,311,063,130,112
  5. Step 5: Solve for x
    x = 11,887,502,213,311,063,130,112/123,783,779,943.52
  6. Step 6: Final answer
    x = 96,034,409,506.12

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Find fourth proportional to 61,891,889,971.76, 85,410,294,732.34 and 34,795,285,072.38
Half scale
Find fourth proportional to 247,567,559,887.04, 341,641,178,929.36 and 139,181,140,289.52
Double scale
Find fourth proportional to 123,783,779,944.52, 170,820,589,466.06 and 69,590,570,145.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.