Home / 131,440,299.28-181,375,440.24-72,701,700.24

Finding the Fourth Proportional to 131,440,299.28, 181,375,440.24 and 72,701,700.24

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Solution

The fourth proportional to 131,440,299.28, 181,375,440.24 and 72,701,700.24 is: 100,321,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,440,299.28 : 181,375,440.24 = 72,701,700.24 : x
  2. Step 2: Convert to fraction form
    131,440,299.28/181,375,440.24 = 72,701,700.24/x
  3. Step 3: Cross multiply
    131,440,299.28x = 181,375,440.24 × 72,701,700.24
  4. Step 4: Simplify right side
    131,440,299.28x = 13,186,302,887,226,514
  5. Step 5: Solve for x
    x = 13,186,302,887,226,514/131,440,299.28
  6. Step 6: Final answer
    x = 100,321,613.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.