Home / 88,577,891.70-132,866,837.55-85,176,669.30

Finding the Fourth Proportional to 88,577,891.70, 132,866,837.55 and 85,176,669.30

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Solution

The fourth proportional to 88,577,891.70, 132,866,837.55 and 85,176,669.30 is: 127,765,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,577,891.70 : 132,866,837.55 = 85,176,669.30 : x
  2. Step 2: Convert to fraction form
    88,577,891.70/132,866,837.55 = 85,176,669.30/x
  3. Step 3: Cross multiply
    88,577,891.70x = 132,866,837.55 × 85,176,669.30
  4. Step 4: Simplify right side
    88,577,891.70x = 11,317,154,682,933,172
  5. Step 5: Solve for x
    x = 11,317,154,682,933,172/88,577,891.70
  6. Step 6: Final answer
    x = 127,765,003.95

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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.