Home / 71,279,314.40-106,793,000.40-66,744,351.20

Finding the Fourth Proportional to 71,279,314.40, 106,793,000.40 and 66,744,351.20

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Solution

The fourth proportional to 71,279,314.40, 106,793,000.40 and 66,744,351.20 is: 99,998,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279,314.40 : 106,793,000.40 = 66,744,351.20 : x
  2. Step 2: Convert to fraction form
    71,279,314.40/106,793,000.40 = 66,744,351.20/x
  3. Step 3: Cross multiply
    71,279,314.40x = 106,793,000.40 × 66,744,351.20
  4. Step 4: Simplify right side
    71,279,314.40x = 7,127,829,524,399,341
  5. Step 5: Solve for x
    x = 7,127,829,524,399,341/71,279,314.40
  6. Step 6: Final answer
    x = 99,998,570.19

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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.