Home / 321,786,752.80-482,680,129.20-106,376,000.80

Finding the Fourth Proportional to 321,786,752.80, 482,680,129.20 and 106,376,000.80

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Solution

The fourth proportional to 321,786,752.80, 482,680,129.20 and 106,376,000.80 is: 159,564,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,786,752.80 : 482,680,129.20 = 106,376,000.80 : x
  2. Step 2: Convert to fraction form
    321,786,752.80/482,680,129.20 = 106,376,000.80/x
  3. Step 3: Cross multiply
    321,786,752.80x = 482,680,129.20 × 106,376,000.80
  4. Step 4: Simplify right side
    321,786,752.80x = 51,345,581,809,923,304
  5. Step 5: Solve for x
    x = 51,345,581,809,923,304/321,786,752.80
  6. Step 6: Final answer
    x = 159,564,001.20

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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.