Home / 213,025,441.28-319,346,313.41-76,614,902.96

Finding the Fourth Proportional to 213,025,441.28, 319,346,313.41 and 76,614,902.96

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Solution

The fourth proportional to 213,025,441.28, 319,346,313.41 and 76,614,902.96 is: 114,853,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,025,441.28 : 319,346,313.41 = 76,614,902.96 : x
  2. Step 2: Convert to fraction form
    213,025,441.28/319,346,313.41 = 76,614,902.96/x
  3. Step 3: Cross multiply
    213,025,441.28x = 319,346,313.41 × 76,614,902.96
  4. Step 4: Simplify right side
    213,025,441.28x = 24,466,686,811,135,704
  5. Step 5: Solve for x
    x = 24,466,686,811,135,704/213,025,441.28
  6. Step 6: Final answer
    x = 114,853,355.85

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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.