Home / 83,171,161.20-124,738,079.40-54,617,689.20

Finding the Fourth Proportional to 83,171,161.20, 124,738,079.40 and 54,617,689.20

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Solution

The fourth proportional to 83,171,161.20, 124,738,079.40 and 54,617,689.20 is: 81,914,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,171,161.20 : 124,738,079.40 = 54,617,689.20 : x
  2. Step 2: Convert to fraction form
    83,171,161.20/124,738,079.40 = 54,617,689.20/x
  3. Step 3: Cross multiply
    83,171,161.20x = 124,738,079.40 × 54,617,689.20
  4. Step 4: Simplify right side
    83,171,161.20x = 6,812,905,652,074,123
  5. Step 5: Solve for x
    x = 6,812,905,652,074,123/83,171,161.20
  6. Step 6: Final answer
    x = 81,914,278.38

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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.