Home / 327,456,082.80-491,184,124.20-163,719,110.70

Finding the Fourth Proportional to 327,456,082.80, 491,184,124.20 and 163,719,110.70

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Solution

The fourth proportional to 327,456,082.80, 491,184,124.20 and 163,719,110.70 is: 245,578,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,456,082.80 : 491,184,124.20 = 163,719,110.70 : x
  2. Step 2: Convert to fraction form
    327,456,082.80/491,184,124.20 = 163,719,110.70/x
  3. Step 3: Cross multiply
    327,456,082.80x = 491,184,124.20 × 163,719,110.70
  4. Step 4: Simplify right side
    327,456,082.80x = 80,416,228,003,982,336
  5. Step 5: Solve for x
    x = 80,416,228,003,982,336/327,456,082.80
  6. Step 6: Final answer
    x = 245,578,666.05

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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.