Home / 127,502,856.41-175,940,375.22-71,747,305.20

Finding the Fourth Proportional to 127,502,856.41, 175,940,375.22 and 71,747,305.20

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Solution

The fourth proportional to 127,502,856.41, 175,940,375.22 and 71,747,305.20 is: 99,003,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,502,856.41 : 175,940,375.22 = 71,747,305.20 : x
  2. Step 2: Convert to fraction form
    127,502,856.41/175,940,375.22 = 71,747,305.20/x
  3. Step 3: Cross multiply
    127,502,856.41x = 175,940,375.22 × 71,747,305.20
  4. Step 4: Simplify right side
    127,502,856.41x = 12,623,247,797,911,858
  5. Step 5: Solve for x
    x = 12,623,247,797,911,858/127,502,856.41
  6. Step 6: Final answer
    x = 99,003,647.08

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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.