Home / 268,151,035.70-402,226,553.55-145,707,029.30

Finding the Fourth Proportional to 268,151,035.70, 402,226,553.55 and 145,707,029.30

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Solution

The fourth proportional to 268,151,035.70, 402,226,553.55 and 145,707,029.30 is: 218,560,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,151,035.70 : 402,226,553.55 = 145,707,029.30 : x
  2. Step 2: Convert to fraction form
    268,151,035.70/402,226,553.55 = 145,707,029.30/x
  3. Step 3: Cross multiply
    268,151,035.70x = 402,226,553.55 × 145,707,029.30
  4. Step 4: Simplify right side
    268,151,035.70x = 58,607,236,223,347,872
  5. Step 5: Solve for x
    x = 58,607,236,223,347,872/268,151,035.70
  6. Step 6: Final answer
    x = 218,560,543.95

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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.