Home / 120,965,530.80-181,332,174.60-40,144,897.20

Finding the Fourth Proportional to 120,965,530.80, 181,332,174.60 and 40,144,897.20

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Solution

The fourth proportional to 120,965,530.80, 181,332,174.60 and 40,144,897.20 is: 60,178,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,530.80 : 181,332,174.60 = 40,144,897.20 : x
  2. Step 2: Convert to fraction form
    120,965,530.80/181,332,174.60 = 40,144,897.20/x
  3. Step 3: Cross multiply
    120,965,530.80x = 181,332,174.60 × 40,144,897.20
  4. Step 4: Simplify right side
    120,965,530.80x = 7,279,561,508,369,451
  5. Step 5: Solve for x
    x = 7,279,561,508,369,451/120,965,530.80
  6. Step 6: Final answer
    x = 60,178,808.46

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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.