Home / 215,784,767.70-323,677,151.55-79,441,938.90

Finding the Fourth Proportional to 215,784,767.70, 323,677,151.55 and 79,441,938.90

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Solution

The fourth proportional to 215,784,767.70, 323,677,151.55 and 79,441,938.90 is: 119,162,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,767.70 : 323,677,151.55 = 79,441,938.90 : x
  2. Step 2: Convert to fraction form
    215,784,767.70/323,677,151.55 = 79,441,938.90/x
  3. Step 3: Cross multiply
    215,784,767.70x = 323,677,151.55 × 79,441,938.90
  4. Step 4: Simplify right side
    215,784,767.70x = 25,713,540,496,761,144
  5. Step 5: Solve for x
    x = 25,713,540,496,761,144/215,784,767.70
  6. Step 6: Final answer
    x = 119,162,908.35

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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.