Home / 264,755,315.20-397,132,972.80-73,279,091.20

Finding the Fourth Proportional to 264,755,315.20, 397,132,972.80 and 73,279,091.20

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Solution

The fourth proportional to 264,755,315.20, 397,132,972.80 and 73,279,091.20 is: 109,918,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,755,315.20 : 397,132,972.80 = 73,279,091.20 : x
  2. Step 2: Convert to fraction form
    264,755,315.20/397,132,972.80 = 73,279,091.20/x
  3. Step 3: Cross multiply
    264,755,315.20x = 397,132,972.80 × 73,279,091.20
  4. Step 4: Simplify right side
    264,755,315.20x = 29,101,543,332,338,320
  5. Step 5: Solve for x
    x = 29,101,543,332,338,320/264,755,315.20
  6. Step 6: Final answer
    x = 109,918,636.80

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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.