Home / 76,218,665.14-114,270,144.27-39,290,761.90

Finding the Fourth Proportional to 76,218,665.14, 114,270,144.27 and 39,290,761.90

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Solution

The fourth proportional to 76,218,665.14, 114,270,144.27 and 39,290,761.90 is: 58,906,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,218,665.14 : 114,270,144.27 = 39,290,761.90 : x
  2. Step 2: Convert to fraction form
    76,218,665.14/114,270,144.27 = 39,290,761.90/x
  3. Step 3: Cross multiply
    76,218,665.14x = 114,270,144.27 × 39,290,761.90
  4. Step 4: Simplify right side
    76,218,665.14x = 4,489,761,030,791,219
  5. Step 5: Solve for x
    x = 4,489,761,030,791,219/76,218,665.14
  6. Step 6: Final answer
    x = 58,906,319.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.