Home / 87,336,017.40-131,004,026.10-85,992,324.60

Finding the Fourth Proportional to 87,336,017.40, 131,004,026.10 and 85,992,324.60

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Solution

The fourth proportional to 87,336,017.40, 131,004,026.10 and 85,992,324.60 is: 128,988,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336,017.40 : 131,004,026.10 = 85,992,324.60 : x
  2. Step 2: Convert to fraction form
    87,336,017.40/131,004,026.10 = 85,992,324.60/x
  3. Step 3: Cross multiply
    87,336,017.40x = 131,004,026.10 × 85,992,324.60
  4. Step 4: Simplify right side
    87,336,017.40x = 11,265,340,736,298,070
  5. Step 5: Solve for x
    x = 11,265,340,736,298,070/87,336,017.40
  6. Step 6: Final answer
    x = 128,988,486.90

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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.