Home / 221,247,819.20-331,871,728.80-182,952,574.40

Finding the Fourth Proportional to 221,247,819.20, 331,871,728.80 and 182,952,574.40

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Solution

The fourth proportional to 221,247,819.20, 331,871,728.80 and 182,952,574.40 is: 274,428,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,247,819.20 : 331,871,728.80 = 182,952,574.40 : x
  2. Step 2: Convert to fraction form
    221,247,819.20/331,871,728.80 = 182,952,574.40/x
  3. Step 3: Cross multiply
    221,247,819.20x = 331,871,728.80 × 182,952,574.40
  4. Step 4: Simplify right side
    221,247,819.20x = 60,716,787,154,538,624
  5. Step 5: Solve for x
    x = 60,716,787,154,538,624/221,247,819.20
  6. Step 6: Final answer
    x = 274,428,861.60

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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.