Home / 268,151,273.20-402,226,909.80-145,707,266.80

Finding the Fourth Proportional to 268,151,273.20, 402,226,909.80 and 145,707,266.80

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Solution

The fourth proportional to 268,151,273.20, 402,226,909.80 and 145,707,266.80 is: 218,560,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,151,273.20 : 402,226,909.80 = 145,707,266.80 : x
  2. Step 2: Convert to fraction form
    268,151,273.20/402,226,909.80 = 145,707,266.80/x
  3. Step 3: Cross multiply
    268,151,273.20x = 402,226,909.80 × 145,707,266.80
  4. Step 4: Simplify right side
    268,151,273.20x = 58,607,383,660,368,144
  5. Step 5: Solve for x
    x = 58,607,383,660,368,144/268,151,273.20
  6. Step 6: Final answer
    x = 218,560,900.20

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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.