Home / 313,131,781.48-432,096,658.14-180,981,337.37

Finding the Fourth Proportional to 313,131,781.48, 432,096,658.14 and 180,981,337.37

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Solution

The fourth proportional to 313,131,781.48, 432,096,658.14 and 180,981,337.37 is: 249,739,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,131,781.48 : 432,096,658.14 = 180,981,337.37 : x
  2. Step 2: Convert to fraction form
    313,131,781.48/432,096,658.14 = 180,981,337.37/x
  3. Step 3: Cross multiply
    313,131,781.48x = 432,096,658.14 × 180,981,337.37
  4. Step 4: Simplify right side
    313,131,781.48x = 78,201,431,061,803,104
  5. Step 5: Solve for x
    x = 78,201,431,061,803,104/313,131,781.48
  6. Step 6: Final answer
    x = 249,739,680.50

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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.