Home / 284,453,733.17-426,680,764.59-79,981,808.42

Finding the Fourth Proportional to 284,453,733.17, 426,680,764.59 and 79,981,808.42

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Solution

The fourth proportional to 284,453,733.17, 426,680,764.59 and 79,981,808.42 is: 119,972,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,453,733.17 : 426,680,764.59 = 79,981,808.42 : x
  2. Step 2: Convert to fraction form
    284,453,733.17/426,680,764.59 = 79,981,808.42/x
  3. Step 3: Cross multiply
    284,453,733.17x = 426,680,764.59 × 79,981,808.42
  4. Step 4: Simplify right side
    284,453,733.17x = 34,126,699,167,803,096
  5. Step 5: Solve for x
    x = 34,126,699,167,803,096/284,453,733.17
  6. Step 6: Final answer
    x = 119,972,758.97

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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.