Home / 327,456,077.80-491,184,116.70-163,719,105.70

Finding the Fourth Proportional to 327,456,077.80, 491,184,116.70 and 163,719,105.70

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Solution

The fourth proportional to 327,456,077.80, 491,184,116.70 and 163,719,105.70 is: 245,578,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,456,077.80 : 491,184,116.70 = 163,719,105.70 : x
  2. Step 2: Convert to fraction form
    327,456,077.80/491,184,116.70 = 163,719,105.70/x
  3. Step 3: Cross multiply
    327,456,077.80x = 491,184,116.70 × 163,719,105.70
  4. Step 4: Simplify right side
    327,456,077.80x = 80,416,224,320,168,432
  5. Step 5: Solve for x
    x = 80,416,224,320,168,432/327,456,077.80
  6. Step 6: Final answer
    x = 245,578,658.55

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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.