Home / 80,223,757.40-110,812,635.42-66,341,189.87

Finding the Fourth Proportional to 80,223,757.40, 110,812,635.42 and 66,341,189.87

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Solution

The fourth proportional to 80,223,757.40, 110,812,635.42 and 66,341,189.87 is: 91,636,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223,757.40 : 110,812,635.42 = 66,341,189.87 : x
  2. Step 2: Convert to fraction form
    80,223,757.40/110,812,635.42 = 66,341,189.87/x
  3. Step 3: Cross multiply
    80,223,757.40x = 110,812,635.42 × 66,341,189.87
  4. Step 4: Simplify right side
    80,223,757.40x = 7,351,442,086,572,835
  5. Step 5: Solve for x
    x = 7,351,442,086,572,835/80,223,757.40
  6. Step 6: Final answer
    x = 91,636,721.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.