Home / 131,944,333.60-197,790,529.20-102,782,000.80

Finding the Fourth Proportional to 131,944,333.60, 197,790,529.20 and 102,782,000.80

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Solution

The fourth proportional to 131,944,333.60, 197,790,529.20 and 102,782,000.80 is: 154,074,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,944,333.60 : 197,790,529.20 = 102,782,000.80 : x
  2. Step 2: Convert to fraction form
    131,944,333.60/197,790,529.20 = 102,782,000.80/x
  3. Step 3: Cross multiply
    131,944,333.60x = 197,790,529.20 × 102,782,000.80
  4. Step 4: Simplify right side
    131,944,333.60x = 20,329,306,330,466,820
  5. Step 5: Solve for x
    x = 20,329,306,330,466,820/131,944,333.60
  6. Step 6: Final answer
    x = 154,074,872.15

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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.