Home / 261,492,439.20-360,832,861.80-161,004,919.20

Finding the Fourth Proportional to 261,492,439.20, 360,832,861.80 and 161,004,919.20

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Solution

The fourth proportional to 261,492,439.20, 360,832,861.80 and 161,004,919.20 is: 222,170,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,492,439.20 : 360,832,861.80 = 161,004,919.20 : x
  2. Step 2: Convert to fraction form
    261,492,439.20/360,832,861.80 = 161,004,919.20/x
  3. Step 3: Cross multiply
    261,492,439.20x = 360,832,861.80 × 161,004,919.20
  4. Step 4: Simplify right side
    261,492,439.20x = 58,095,865,758,813,768
  5. Step 5: Solve for x
    x = 58,095,865,758,813,768/261,492,439.20
  6. Step 6: Final answer
    x = 222,170,346.25

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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.