Home / 74,010,839.31-102,136,167.50-40,519,759.59

Finding the Fourth Proportional to 74,010,839.31, 102,136,167.50 and 40,519,759.59

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Solution

The fourth proportional to 74,010,839.31, 102,136,167.50 and 40,519,759.59 is: 55,917,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,839.31 : 102,136,167.50 = 40,519,759.59 : x
  2. Step 2: Convert to fraction form
    74,010,839.31/102,136,167.50 = 40,519,759.59/x
  3. Step 3: Cross multiply
    74,010,839.31x = 102,136,167.50 × 40,519,759.59
  4. Step 4: Simplify right side
    74,010,839.31x = 4,138,532,952,341,373
  5. Step 5: Solve for x
    x = 4,138,532,952,341,373/74,010,839.31
  6. Step 6: Final answer
    x = 55,917,930.28

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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.