Home / 261,719,859.48-361,187,609.49-150,209,808.78

Finding the Fourth Proportional to 261,719,859.48, 361,187,609.49 and 150,209,808.78

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Solution

The fourth proportional to 261,719,859.48, 361,187,609.49 and 150,209,808.78 is: 207,297,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,719,859.48 : 361,187,609.49 = 150,209,808.78 : x
  2. Step 2: Convert to fraction form
    261,719,859.48/361,187,609.49 = 150,209,808.78/x
  3. Step 3: Cross multiply
    261,719,859.48x = 361,187,609.49 × 150,209,808.78
  4. Step 4: Simplify right side
    261,719,859.48x = 54,253,921,756,552,664
  5. Step 5: Solve for x
    x = 54,253,921,756,552,664/261,719,859.48
  6. Step 6: Final answer
    x = 207,297,687.94

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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.