Home / 268,151,251.20-402,226,876.80-145,707,244.80

Finding the Fourth Proportional to 268,151,251.20, 402,226,876.80 and 145,707,244.80

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Solution

The fourth proportional to 268,151,251.20, 402,226,876.80 and 145,707,244.80 is: 218,560,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,151,251.20 : 402,226,876.80 = 145,707,244.80 : x
  2. Step 2: Convert to fraction form
    268,151,251.20/402,226,876.80 = 145,707,244.80/x
  3. Step 3: Cross multiply
    268,151,251.20x = 402,226,876.80 × 145,707,244.80
  4. Step 4: Simplify right side
    268,151,251.20x = 58,607,370,003,037,048
  5. Step 5: Solve for x
    x = 58,607,370,003,037,048/268,151,251.20
  6. Step 6: Final answer
    x = 218,560,867.20

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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.