Home / 129,988,322.07-194,982,471.28-57,205,102.78

Finding the Fourth Proportional to 129,988,322.07, 194,982,471.28 and 57,205,102.78

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Solution

The fourth proportional to 129,988,322.07, 194,982,471.28 and 57,205,102.78 is: 85,807,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,988,322.07 : 194,982,471.28 = 57,205,102.78 : x
  2. Step 2: Convert to fraction form
    129,988,322.07/194,982,471.28 = 57,205,102.78/x
  3. Step 3: Cross multiply
    129,988,322.07x = 194,982,471.28 × 57,205,102.78
  4. Step 4: Simplify right side
    129,988,322.07x = 11,153,992,309,240,330
  5. Step 5: Solve for x
    x = 11,153,992,309,240,330/129,988,322.07
  6. Step 6: Final answer
    x = 85,807,648.96

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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.