Home / 268,271,997.30-402,407,995.95-200,247,549.30

Finding the Fourth Proportional to 268,271,997.30, 402,407,995.95 and 200,247,549.30

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Solution

The fourth proportional to 268,271,997.30, 402,407,995.95 and 200,247,549.30 is: 300,371,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,271,997.30 : 402,407,995.95 = 200,247,549.30 : x
  2. Step 2: Convert to fraction form
    268,271,997.30/402,407,995.95 = 200,247,549.30/x
  3. Step 3: Cross multiply
    268,271,997.30x = 402,407,995.95 × 200,247,549.30
  4. Step 4: Simplify right side
    268,271,997.30x = 80,581,215,007,711,824
  5. Step 5: Solve for x
    x = 80,581,215,007,711,824/268,271,997.30
  6. Step 6: Final answer
    x = 300,371,323.95

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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.