Home / 66,428,062.70-99,684,084.45-39,134,302.70

Finding the Fourth Proportional to 66,428,062.70, 99,684,084.45 and 39,134,302.70

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Solution

The fourth proportional to 66,428,062.70, 99,684,084.45 and 39,134,302.70 is: 58,726,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,062.70 : 99,684,084.45 = 39,134,302.70 : x
  2. Step 2: Convert to fraction form
    66,428,062.70/99,684,084.45 = 39,134,302.70/x
  3. Step 3: Cross multiply
    66,428,062.70x = 99,684,084.45 × 39,134,302.70
  4. Step 4: Simplify right side
    66,428,062.70x = 3,901,067,135,238,663.50
  5. Step 5: Solve for x
    x = 3,901,067,135,238,663.50/66,428,062.70
  6. Step 6: Final answer
    x = 58,726,191.56

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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.