Home / 99,072,002.30-148,608,003.45-53,155,499.90

Finding the Fourth Proportional to 99,072,002.30, 148,608,003.45 and 53,155,499.90

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Solution

The fourth proportional to 99,072,002.30, 148,608,003.45 and 53,155,499.90 is: 79,733,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,002.30 : 148,608,003.45 = 53,155,499.90 : x
  2. Step 2: Convert to fraction form
    99,072,002.30/148,608,003.45 = 53,155,499.90/x
  3. Step 3: Cross multiply
    99,072,002.30x = 148,608,003.45 × 53,155,499.90
  4. Step 4: Simplify right side
    99,072,002.30x = 7,899,332,712,525,674
  5. Step 5: Solve for x
    x = 7,899,332,712,525,674/99,072,002.30
  6. Step 6: Final answer
    x = 79,733,249.85

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Similar ratio
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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.