Home / 127,543,080.24-176,009,019.12-71,788,469.04

Finding the Fourth Proportional to 127,543,080.24, 176,009,019.12 and 71,788,469.04

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Solution

The fourth proportional to 127,543,080.24, 176,009,019.12 and 71,788,469.04 is: 99,067,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,543,080.24 : 176,009,019.12 = 71,788,469.04 : x
  2. Step 2: Convert to fraction form
    127,543,080.24/176,009,019.12 = 71,788,469.04/x
  3. Step 3: Cross multiply
    127,543,080.24x = 176,009,019.12 × 71,788,469.04
  4. Step 4: Simplify right side
    127,543,080.24x = 12,635,418,019,856,890
  5. Step 5: Solve for x
    x = 12,635,418,019,856,890/127,543,080.24
  6. Step 6: Final answer
    x = 99,067,844.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.