Home / 162,198,800.64-223,832,479.68-87,857,959.68

Finding the Fourth Proportional to 162,198,800.64, 223,832,479.68 and 87,857,959.68

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Solution

The fourth proportional to 162,198,800.64, 223,832,479.68 and 87,857,959.68 is: 121,242,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,198,800.64 : 223,832,479.68 = 87,857,959.68 : x
  2. Step 2: Convert to fraction form
    162,198,800.64/223,832,479.68 = 87,857,959.68/x
  3. Step 3: Cross multiply
    162,198,800.64x = 223,832,479.68 × 87,857,959.68
  4. Step 4: Simplify right side
    162,198,800.64x = 19,665,464,974,799,860
  5. Step 5: Solve for x
    x = 19,665,464,974,799,860/162,198,800.64
  6. Step 6: Final answer
    x = 121,242,974.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.