Home / 179,613,904.10-269,420,856.15-161,438,621.90

Finding the Fourth Proportional to 179,613,904.10, 269,420,856.15 and 161,438,621.90

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Solution

The fourth proportional to 179,613,904.10, 269,420,856.15 and 161,438,621.90 is: 242,157,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,613,904.10 : 269,420,856.15 = 161,438,621.90 : x
  2. Step 2: Convert to fraction form
    179,613,904.10/269,420,856.15 = 161,438,621.90/x
  3. Step 3: Cross multiply
    179,613,904.10x = 269,420,856.15 × 161,438,621.90
  4. Step 4: Simplify right side
    179,613,904.10x = 43,494,931,727,974,136
  5. Step 5: Solve for x
    x = 43,494,931,727,974,136/179,613,904.10
  6. Step 6: Final answer
    x = 242,157,932.85

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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.