Home / 127,728,022.80-191,592,034.20-102,218,854.80

Finding the Fourth Proportional to 127,728,022.80, 191,592,034.20 and 102,218,854.80

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Solution

The fourth proportional to 127,728,022.80, 191,592,034.20 and 102,218,854.80 is: 153,328,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,728,022.80 : 191,592,034.20 = 102,218,854.80 : x
  2. Step 2: Convert to fraction form
    127,728,022.80/191,592,034.20 = 102,218,854.80/x
  3. Step 3: Cross multiply
    127,728,022.80x = 191,592,034.20 × 102,218,854.80
  4. Step 4: Simplify right side
    127,728,022.80x = 19,584,318,324,726,432
  5. Step 5: Solve for x
    x = 19,584,318,324,726,432/127,728,022.80
  6. Step 6: Final answer
    x = 153,328,282.20

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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.