Home / 87,335,945.40-130,919,937.30-67,894,390.20

Finding the Fourth Proportional to 87,335,945.40, 130,919,937.30 and 67,894,390.20

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Solution

The fourth proportional to 87,335,945.40, 130,919,937.30 and 67,894,390.20 is: 101,776,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335,945.40 : 130,919,937.30 = 67,894,390.20 : x
  2. Step 2: Convert to fraction form
    87,335,945.40/130,919,937.30 = 67,894,390.20/x
  3. Step 3: Cross multiply
    87,335,945.40x = 130,919,937.30 × 67,894,390.20
  4. Step 4: Simplify right side
    87,335,945.40x = 8,888,729,308,005,735
  5. Step 5: Solve for x
    x = 8,888,729,308,005,735/87,335,945.40
  6. Step 6: Final answer
    x = 101,776,299.18

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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.