Home / 80,472,537.60-120,709,200.08-29,354,474.40

Finding the Fourth Proportional to 80,472,537.60, 120,709,200.08 and 29,354,474.40

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Solution

The fourth proportional to 80,472,537.60, 120,709,200.08 and 29,354,474.40 is: 44,031,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,472,537.60 : 120,709,200.08 = 29,354,474.40 : x
  2. Step 2: Convert to fraction form
    80,472,537.60/120,709,200.08 = 29,354,474.40/x
  3. Step 3: Cross multiply
    80,472,537.60x = 120,709,200.08 × 29,354,474.40
  4. Step 4: Simplify right side
    80,472,537.60x = 3,543,355,123,592,837.50
  5. Step 5: Solve for x
    x = 3,543,355,123,592,837.50/80,472,537.60
  6. Step 6: Final answer
    x = 44,031,855.21

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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.