Home / 103,024,073.40-142,142,218.38-61,755,908.28

Finding the Fourth Proportional to 103,024,073.40, 142,142,218.38 and 61,755,908.28

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Solution

The fourth proportional to 103,024,073.40, 142,142,218.38 and 61,755,908.28 is: 85,204,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,024,073.40 : 142,142,218.38 = 61,755,908.28 : x
  2. Step 2: Convert to fraction form
    103,024,073.40/142,142,218.38 = 61,755,908.28/x
  3. Step 3: Cross multiply
    103,024,073.40x = 142,142,218.38 × 61,755,908.28
  4. Step 4: Simplify right side
    103,024,073.40x = 8,778,121,800,991,010
  5. Step 5: Solve for x
    x = 8,778,121,800,991,010/103,024,073.40
  6. Step 6: Final answer
    x = 85,204,569.29

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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.