Home / 99,854,560.43-137,799,480.10-55,801,559.31

Finding the Fourth Proportional to 99,854,560.43, 137,799,480.10 and 55,801,559.31

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Solution

The fourth proportional to 99,854,560.43, 137,799,480.10 and 55,801,559.31 is: 77,006,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,560.43 : 137,799,480.10 = 55,801,559.31 : x
  2. Step 2: Convert to fraction form
    99,854,560.43/137,799,480.10 = 55,801,559.31/x
  3. Step 3: Cross multiply
    99,854,560.43x = 137,799,480.10 × 55,801,559.31
  4. Step 4: Simplify right side
    99,854,560.43x = 7,689,425,862,298,721
  5. Step 5: Solve for x
    x = 7,689,425,862,298,721/99,854,560.43
  6. Step 6: Final answer
    x = 77,006,256.19

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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.