Home / 284,453,521.23-426,680,447.70-79,981,596.48

Finding the Fourth Proportional to 284,453,521.23, 426,680,447.70 and 79,981,596.48

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Solution

The fourth proportional to 284,453,521.23, 426,680,447.70 and 79,981,596.48 is: 119,972,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,453,521.23 : 426,680,447.70 = 79,981,596.48 : x
  2. Step 2: Convert to fraction form
    284,453,521.23/426,680,447.70 = 79,981,596.48/x
  3. Step 3: Cross multiply
    284,453,521.23x = 426,680,447.70 × 79,981,596.48
  4. Step 4: Simplify right side
    284,453,521.23x = 34,126,583,393,847,144
  5. Step 5: Solve for x
    x = 34,126,583,393,847,144/284,453,521.23
  6. Step 6: Final answer
    x = 119,972,441.35

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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.