Home / 66,429,782.20-99,644,673.30-59,711,318.20

Finding the Fourth Proportional to 66,429,782.20, 99,644,673.30 and 59,711,318.20

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Solution

The fourth proportional to 66,429,782.20, 99,644,673.30 and 59,711,318.20 is: 89,566,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,782.20 : 99,644,673.30 = 59,711,318.20 : x
  2. Step 2: Convert to fraction form
    66,429,782.20/99,644,673.30 = 59,711,318.20/x
  3. Step 3: Cross multiply
    66,429,782.20x = 99,644,673.30 × 59,711,318.20
  4. Step 4: Simplify right side
    66,429,782.20x = 5,949,914,794,351,344
  5. Step 5: Solve for x
    x = 5,949,914,794,351,344/66,429,782.20
  6. Step 6: Final answer
    x = 89,566,977.30

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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.