Home / 88,217,068.80-132,325,603.20-81,162,681.60

Finding the Fourth Proportional to 88,217,068.80, 132,325,603.20 and 81,162,681.60

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Solution

The fourth proportional to 88,217,068.80, 132,325,603.20 and 81,162,681.60 is: 121,744,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,217,068.80 : 132,325,603.20 = 81,162,681.60 : x
  2. Step 2: Convert to fraction form
    88,217,068.80/132,325,603.20 = 81,162,681.60/x
  3. Step 3: Cross multiply
    88,217,068.80x = 132,325,603.20 × 81,162,681.60
  4. Step 4: Simplify right side
    88,217,068.80x = 10,739,900,800,049,540
  5. Step 5: Solve for x
    x = 10,739,900,800,049,540/88,217,068.80
  6. Step 6: Final answer
    x = 121,744,022.40

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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.