Home / 124,578,472.20-186,867,708.30-55,491,142.20

Finding the Fourth Proportional to 124,578,472.20, 186,867,708.30 and 55,491,142.20

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Solution

The fourth proportional to 124,578,472.20, 186,867,708.30 and 55,491,142.20 is: 83,236,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,578,472.20 : 186,867,708.30 = 55,491,142.20 : x
  2. Step 2: Convert to fraction form
    124,578,472.20/186,867,708.30 = 55,491,142.20/x
  3. Step 3: Cross multiply
    124,578,472.20x = 186,867,708.30 × 55,491,142.20
  4. Step 4: Simplify right side
    124,578,472.20x = 10,369,502,573,863,422
  5. Step 5: Solve for x
    x = 10,369,502,573,863,422/124,578,472.20
  6. Step 6: Final answer
    x = 83,236,713.30

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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.