Home / 123,783,779,944.52-170,820,589,466.06-69,590,570,145.76

Finding the Fourth Proportional to 123,783,779,944.52, 170,820,589,466.06 and 69,590,570,145.76

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Solution

The fourth proportional to 123,783,779,944.52, 170,820,589,466.06 and 69,590,570,145.76 is: 96,034,409,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,783,779,944.52 : 170,820,589,466.06 = 69,590,570,145.76 : x
  2. Step 2: Convert to fraction form
    123,783,779,944.52/170,820,589,466.06 = 69,590,570,145.76/x
  3. Step 3: Cross multiply
    123,783,779,944.52x = 170,820,589,466.06 × 69,590,570,145.76
  4. Step 4: Simplify right side
    123,783,779,944.52x = 11,887,502,213,577,919,430,656
  5. Step 5: Solve for x
    x = 11,887,502,213,577,919,430,656/123,783,779,944.52
  6. Step 6: Final answer
    x = 96,034,409,507.50

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Double scale
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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.