Home / 123,385,087.46-183,974,535.92-119,995,158.20

Finding the Fourth Proportional to 123,385,087.46, 183,974,535.92 and 119,995,158.20

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Solution

The fourth proportional to 123,385,087.46, 183,974,535.92 and 119,995,158.20 is: 178,919,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,087.46 : 183,974,535.92 = 119,995,158.20 : x
  2. Step 2: Convert to fraction form
    123,385,087.46/183,974,535.92 = 119,995,158.20/x
  3. Step 3: Cross multiply
    123,385,087.46x = 183,974,535.92 × 119,995,158.20
  4. Step 4: Simplify right side
    123,385,087.46x = 22,076,053,541,872,100
  5. Step 5: Solve for x
    x = 22,076,053,541,872,100/123,385,087.46
  6. Step 6: Final answer
    x = 178,919,948.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.