Home / 321,786,687.80-482,680,031.70-106,375,935.80

Finding the Fourth Proportional to 321,786,687.80, 482,680,031.70 and 106,375,935.80

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Solution

The fourth proportional to 321,786,687.80, 482,680,031.70 and 106,375,935.80 is: 159,563,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,786,687.80 : 482,680,031.70 = 106,375,935.80 : x
  2. Step 2: Convert to fraction form
    321,786,687.80/482,680,031.70 = 106,375,935.80/x
  3. Step 3: Cross multiply
    321,786,687.80x = 482,680,031.70 × 106,375,935.80
  4. Step 4: Simplify right side
    321,786,687.80x = 51,345,540,064,061,160
  5. Step 5: Solve for x
    x = 51,345,540,064,061,160/321,786,687.80
  6. Step 6: Final answer
    x = 159,563,903.70

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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.