Home / 88,578,023.60-132,867,035.40-66,753,513.20

Finding the Fourth Proportional to 88,578,023.60, 132,867,035.40 and 66,753,513.20

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Solution

The fourth proportional to 88,578,023.60, 132,867,035.40 and 66,753,513.20 is: 100,130,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,023.60 : 132,867,035.40 = 66,753,513.20 : x
  2. Step 2: Convert to fraction form
    88,578,023.60/132,867,035.40 = 66,753,513.20/x
  3. Step 3: Cross multiply
    88,578,023.60x = 132,867,035.40 × 66,753,513.20
  4. Step 4: Simplify right side
    88,578,023.60x = 8,869,341,401,418,768
  5. Step 5: Solve for x
    x = 8,869,341,401,418,768/88,578,023.60
  6. Step 6: Final answer
    x = 100,130,269.80

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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.