Home / 313,131,787.67-432,096,666.68-180,981,343.55

Finding the Fourth Proportional to 313,131,787.67, 432,096,666.68 and 180,981,343.55

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Solution

The fourth proportional to 313,131,787.67, 432,096,666.68 and 180,981,343.55 is: 249,739,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,131,787.67 : 432,096,666.68 = 180,981,343.55 : x
  2. Step 2: Convert to fraction form
    313,131,787.67/432,096,666.68 = 180,981,343.55/x
  3. Step 3: Cross multiply
    313,131,787.67x = 432,096,666.68 × 180,981,343.55
  4. Step 4: Simplify right side
    313,131,787.67x = 78,201,435,280,755,616
  5. Step 5: Solve for x
    x = 78,201,435,280,755,616/313,131,787.67
  6. Step 6: Final answer
    x = 249,739,689.04

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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.