Home / 123,754,221.20-185,508,859.80-54,704,507.60

Finding the Fourth Proportional to 123,754,221.20, 185,508,859.80 and 54,704,507.60

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Solution

The fourth proportional to 123,754,221.20, 185,508,859.80 and 54,704,507.60 is: 82,002,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,754,221.20 : 185,508,859.80 = 54,704,507.60 : x
  2. Step 2: Convert to fraction form
    123,754,221.20/185,508,859.80 = 54,704,507.60/x
  3. Step 3: Cross multiply
    123,754,221.20x = 185,508,859.80 × 54,704,507.60
  4. Step 4: Simplify right side
    123,754,221.20x = 10,148,170,830,796,436
  5. Step 5: Solve for x
    x = 10,148,170,830,796,436/123,754,221.20
  6. Step 6: Final answer
    x = 82,002,623.69

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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.