Home / 99,156,130.20-148,734,195.30-53,239,627.80

Finding the Fourth Proportional to 99,156,130.20, 148,734,195.30 and 53,239,627.80

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Solution

The fourth proportional to 99,156,130.20, 148,734,195.30 and 53,239,627.80 is: 79,859,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156,130.20 : 148,734,195.30 = 53,239,627.80 : x
  2. Step 2: Convert to fraction form
    99,156,130.20/148,734,195.30 = 53,239,627.80/x
  3. Step 3: Cross multiply
    99,156,130.20x = 148,734,195.30 × 53,239,627.80
  4. Step 4: Simplify right side
    99,156,130.20x = 7,918,553,198,904,510
  5. Step 5: Solve for x
    x = 7,918,553,198,904,510/99,156,130.20
  6. Step 6: Final answer
    x = 79,859,441.70

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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.