Home / 165,996,885.20-248,995,327.80-108,665,992.40

Finding the Fourth Proportional to 165,996,885.20, 248,995,327.80 and 108,665,992.40

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Solution

The fourth proportional to 165,996,885.20, 248,995,327.80 and 108,665,992.40 is: 162,998,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,996,885.20 : 248,995,327.80 = 108,665,992.40 : x
  2. Step 2: Convert to fraction form
    165,996,885.20/248,995,327.80 = 108,665,992.40/x
  3. Step 3: Cross multiply
    165,996,885.20x = 248,995,327.80 × 108,665,992.40
  4. Step 4: Simplify right side
    165,996,885.20x = 27,057,324,398,350,312
  5. Step 5: Solve for x
    x = 27,057,324,398,350,312/165,996,885.20
  6. Step 6: Final answer
    x = 162,998,988.60

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1.5x scale

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.