Home / 251,659,613.28-377,502,872.01-79,149,878.87

Finding the Fourth Proportional to 251,659,613.28, 377,502,872.01 and 79,149,878.87

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Solution

The fourth proportional to 251,659,613.28, 377,502,872.01 and 79,149,878.87 is: 118,729,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659,613.28 : 377,502,872.01 = 79,149,878.87 : x
  2. Step 2: Convert to fraction form
    251,659,613.28/377,502,872.01 = 79,149,878.87/x
  3. Step 3: Cross multiply
    251,659,613.28x = 377,502,872.01 × 79,149,878.87
  4. Step 4: Simplify right side
    251,659,613.28x = 29,879,306,590,781,096
  5. Step 5: Solve for x
    x = 29,879,306,590,781,096/251,659,613.28
  6. Step 6: Final answer
    x = 118,729,049.14

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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.