Home / 120,965,682.80-181,332,402.60-40,145,049.20

Finding the Fourth Proportional to 120,965,682.80, 181,332,402.60 and 40,145,049.20

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Solution

The fourth proportional to 120,965,682.80, 181,332,402.60 and 40,145,049.20 is: 60,179,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,682.80 : 181,332,402.60 = 40,145,049.20 : x
  2. Step 2: Convert to fraction form
    120,965,682.80/181,332,402.60 = 40,145,049.20/x
  3. Step 3: Cross multiply
    120,965,682.80x = 181,332,402.60 × 40,145,049.20
  4. Step 4: Simplify right side
    120,965,682.80x = 7,279,598,223,931,208
  5. Step 5: Solve for x
    x = 7,279,598,223,931,208/120,965,682.80
  6. Step 6: Final answer
    x = 60,179,036.36

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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.