Home / 80,475,941.10-120,745,404.45-29,363,126.70

Finding the Fourth Proportional to 80,475,941.10, 120,745,404.45 and 29,363,126.70

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Solution

The fourth proportional to 80,475,941.10, 120,745,404.45 and 29,363,126.70 is: 44,056,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,475,941.10 : 120,745,404.45 = 29,363,126.70 : x
  2. Step 2: Convert to fraction form
    80,475,941.10/120,745,404.45 = 29,363,126.70/x
  3. Step 3: Cross multiply
    80,475,941.10x = 120,745,404.45 × 29,363,126.70
  4. Step 4: Simplify right side
    80,475,941.10x = 3,545,462,609,308,094
  5. Step 5: Solve for x
    x = 3,545,462,609,308,094/80,475,941.10
  6. Step 6: Final answer
    x = 44,056,180.78

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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.