Home / 123,783,779,942.50-170,820,589,463.32-69,590,570,143.74

Finding the Fourth Proportional to 123,783,779,942.50, 170,820,589,463.32 and 69,590,570,143.74

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Solution

The fourth proportional to 123,783,779,942.50, 170,820,589,463.32 and 69,590,570,143.74 is: 96,034,409,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,783,779,942.50 : 170,820,589,463.32 = 69,590,570,143.74 : x
  2. Step 2: Convert to fraction form
    123,783,779,942.50/170,820,589,463.32 = 69,590,570,143.74/x
  3. Step 3: Cross multiply
    123,783,779,942.50x = 170,820,589,463.32 × 69,590,570,143.74
  4. Step 4: Simplify right side
    123,783,779,942.50x = 11,887,502,213,042,185,175,040
  5. Step 5: Solve for x
    x = 11,887,502,213,042,185,175,040/123,783,779,942.50
  6. Step 6: Final answer
    x = 96,034,409,504.74

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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.