Home / 127,441,372.80-175,805,427.60-80,456,676.96

Finding the Fourth Proportional to 127,441,372.80, 175,805,427.60 and 80,456,676.96

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Solution

The fourth proportional to 127,441,372.80, 175,805,427.60 and 80,456,676.96 is: 110,990,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,441,372.80 : 175,805,427.60 = 80,456,676.96 : x
  2. Step 2: Convert to fraction form
    127,441,372.80/175,805,427.60 = 80,456,676.96/x
  3. Step 3: Cross multiply
    127,441,372.80x = 175,805,427.60 × 80,456,676.96
  4. Step 4: Simplify right side
    127,441,372.80x = 14,144,720,496,227,866
  5. Step 5: Solve for x
    x = 14,144,720,496,227,866/127,441,372.80
  6. Step 6: Final answer
    x = 110,990,019.85

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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.