Home / 71,304,082.20-106,956,123.30-66,485,683.80

Finding the Fourth Proportional to 71,304,082.20, 106,956,123.30 and 66,485,683.80

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Solution

The fourth proportional to 71,304,082.20, 106,956,123.30 and 66,485,683.80 is: 99,728,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304,082.20 : 106,956,123.30 = 66,485,683.80 : x
  2. Step 2: Convert to fraction form
    71,304,082.20/106,956,123.30 = 66,485,683.80/x
  3. Step 3: Cross multiply
    71,304,082.20x = 106,956,123.30 × 66,485,683.80
  4. Step 4: Simplify right side
    71,304,082.20x = 7,111,050,994,197,612
  5. Step 5: Solve for x
    x = 7,111,050,994,197,612/71,304,082.20
  6. Step 6: Final answer
    x = 99,728,525.70

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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.