Home / 66,428,473.20-99,684,700.20-39,134,713.20

Finding the Fourth Proportional to 66,428,473.20, 99,684,700.20 and 39,134,713.20

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Solution

The fourth proportional to 66,428,473.20, 99,684,700.20 and 39,134,713.20 is: 58,726,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,473.20 : 99,684,700.20 = 39,134,713.20 : x
  2. Step 2: Convert to fraction form
    66,428,473.20/99,684,700.20 = 39,134,713.20/x
  3. Step 3: Cross multiply
    66,428,473.20x = 99,684,700.20 × 39,134,713.20
  4. Step 4: Simplify right side
    66,428,473.20x = 3,901,132,152,754,983
  5. Step 5: Solve for x
    x = 3,901,132,152,754,983/66,428,473.20
  6. Step 6: Final answer
    x = 58,726,807.42

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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.