Home / 261,151,255.80-391,278,986.10-124,542,487.80

Finding the Fourth Proportional to 261,151,255.80, 391,278,986.10 and 124,542,487.80

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Solution

The fourth proportional to 261,151,255.80, 391,278,986.10 and 124,542,487.80 is: 186,600,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,151,255.80 : 391,278,986.10 = 124,542,487.80 : x
  2. Step 2: Convert to fraction form
    261,151,255.80/391,278,986.10 = 124,542,487.80/x
  3. Step 3: Cross multiply
    261,151,255.80x = 391,278,986.10 × 124,542,487.80
  4. Step 4: Simplify right side
    261,151,255.80x = 48,730,858,352,755,624
  5. Step 5: Solve for x
    x = 48,730,858,352,755,624/261,151,255.80
  6. Step 6: Final answer
    x = 186,600,130.27

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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.