Home / 80,472,513.60-120,709,164.06-29,354,450.40

Finding the Fourth Proportional to 80,472,513.60, 120,709,164.06 and 29,354,450.40

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Solution

The fourth proportional to 80,472,513.60, 120,709,164.06 and 29,354,450.40 is: 44,031,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,472,513.60 : 120,709,164.06 = 29,354,450.40 : x
  2. Step 2: Convert to fraction form
    80,472,513.60/120,709,164.06 = 29,354,450.40/x
  3. Step 3: Cross multiply
    80,472,513.60x = 120,709,164.06 × 29,354,450.40
  4. Step 4: Simplify right side
    80,472,513.60x = 3,543,351,169,224,732.50
  5. Step 5: Solve for x
    x = 3,543,351,169,224,732.50/80,472,513.60
  6. Step 6: Final answer
    x = 44,031,819.20

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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.