Home / 313,131,781.17-432,096,657.71-180,981,337.05

Finding the Fourth Proportional to 313,131,781.17, 432,096,657.71 and 180,981,337.05

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Solution

The fourth proportional to 313,131,781.17, 432,096,657.71 and 180,981,337.05 is: 249,739,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,131,781.17 : 432,096,657.71 = 180,981,337.05 : x
  2. Step 2: Convert to fraction form
    313,131,781.17/432,096,657.71 = 180,981,337.05/x
  3. Step 3: Cross multiply
    313,131,781.17x = 432,096,657.71 × 180,981,337.05
  4. Step 4: Simplify right side
    313,131,781.17x = 78,201,430,847,192,000
  5. Step 5: Solve for x
    x = 78,201,430,847,192,000/313,131,781.17
  6. Step 6: Final answer
    x = 249,739,680.06

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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.