Home / 217,829,768.50-300,605,086.68-120,044,624.50

Finding the Fourth Proportional to 217,829,768.50, 300,605,086.68 and 120,044,624.50

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Solution

The fourth proportional to 217,829,768.50, 300,605,086.68 and 120,044,624.50 is: 165,661,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,829,768.50 : 300,605,086.68 = 120,044,624.50 : x
  2. Step 2: Convert to fraction form
    217,829,768.50/300,605,086.68 = 120,044,624.50/x
  3. Step 3: Cross multiply
    217,829,768.50x = 300,605,086.68 × 120,044,624.50
  4. Step 4: Simplify right side
    217,829,768.50x = 36,086,024,753,216,136
  5. Step 5: Solve for x
    x = 36,086,024,753,216,136/217,829,768.50
  6. Step 6: Final answer
    x = 165,661,585.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.