Home / 88,578,002.70-132,867,004.05-85,176,780.30

Finding the Fourth Proportional to 88,578,002.70, 132,867,004.05 and 85,176,780.30

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Solution

The fourth proportional to 88,578,002.70, 132,867,004.05 and 85,176,780.30 is: 127,765,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,002.70 : 132,867,004.05 = 85,176,780.30 : x
  2. Step 2: Convert to fraction form
    88,578,002.70/132,867,004.05 = 85,176,780.30/x
  3. Step 3: Cross multiply
    88,578,002.70x = 132,867,004.05 × 85,176,780.30
  4. Step 4: Simplify right side
    88,578,002.70x = 11,317,183,613,086,060
  5. Step 5: Solve for x
    x = 11,317,183,613,086,060/88,578,002.70
  6. Step 6: Final answer
    x = 127,765,170.45

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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.