Home / 84,564,376.80-126,846,565.20-57,283,738.80

Finding the Fourth Proportional to 84,564,376.80, 126,846,565.20 and 57,283,738.80

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Solution

The fourth proportional to 84,564,376.80, 126,846,565.20 and 57,283,738.80 is: 85,925,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,376.80 : 126,846,565.20 = 57,283,738.80 : x
  2. Step 2: Convert to fraction form
    84,564,376.80/126,846,565.20 = 57,283,738.80/x
  3. Step 3: Cross multiply
    84,564,376.80x = 126,846,565.20 × 57,283,738.80
  4. Step 4: Simplify right side
    84,564,376.80x = 7,266,245,508,593,970
  5. Step 5: Solve for x
    x = 7,266,245,508,593,970/84,564,376.80
  6. Step 6: Final answer
    x = 85,925,608.20

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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.