Home / 102,729,404.98-141,766,544.01-56,318,663.26

Finding the Fourth Proportional to 102,729,404.98, 141,766,544.01 and 56,318,663.26

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Solution

The fourth proportional to 102,729,404.98, 141,766,544.01 and 56,318,663.26 is: 77,719,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,729,404.98 : 141,766,544.01 = 56,318,663.26 : x
  2. Step 2: Convert to fraction form
    102,729,404.98/141,766,544.01 = 56,318,663.26/x
  3. Step 3: Cross multiply
    102,729,404.98x = 141,766,544.01 × 56,318,663.26
  4. Step 4: Simplify right side
    102,729,404.98x = 7,984,102,253,633,159
  5. Step 5: Solve for x
    x = 7,984,102,253,633,159/102,729,404.98
  6. Step 6: Final answer
    x = 77,719,736.19

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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.