Home / 71,598,644.20-107,397,966.30-31,287,860.20

Finding the Fourth Proportional to 71,598,644.20, 107,397,966.30 and 31,287,860.20

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Solution

The fourth proportional to 71,598,644.20, 107,397,966.30 and 31,287,860.20 is: 46,931,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,598,644.20 : 107,397,966.30 = 31,287,860.20 : x
  2. Step 2: Convert to fraction form
    71,598,644.20/107,397,966.30 = 31,287,860.20/x
  3. Step 3: Cross multiply
    71,598,644.20x = 107,397,966.30 × 31,287,860.20
  4. Step 4: Simplify right side
    71,598,644.20x = 3,360,252,555,358,711
  5. Step 5: Solve for x
    x = 3,360,252,555,358,711/71,598,644.20
  6. Step 6: Final answer
    x = 46,931,790.30

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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.