Home / 268,151,119.70-402,226,679.55-145,707,113.30

Finding the Fourth Proportional to 268,151,119.70, 402,226,679.55 and 145,707,113.30

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Solution

The fourth proportional to 268,151,119.70, 402,226,679.55 and 145,707,113.30 is: 218,560,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,151,119.70 : 402,226,679.55 = 145,707,113.30 : x
  2. Step 2: Convert to fraction form
    268,151,119.70/402,226,679.55 = 145,707,113.30/x
  3. Step 3: Cross multiply
    268,151,119.70x = 402,226,679.55 × 145,707,113.30
  4. Step 4: Simplify right side
    268,151,119.70x = 58,607,288,369,474,648
  5. Step 5: Solve for x
    x = 58,607,288,369,474,648/268,151,119.70
  6. Step 6: Final answer
    x = 218,560,669.95

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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.