Home / 245,471,148.38-338,757,366.49-133,969,140.83

Finding the Fourth Proportional to 245,471,148.38, 338,757,366.49 and 133,969,140.83

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Solution

The fourth proportional to 245,471,148.38, 338,757,366.49 and 133,969,140.83 is: 184,881,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,471,148.38 : 338,757,366.49 = 133,969,140.83 : x
  2. Step 2: Convert to fraction form
    245,471,148.38/338,757,366.49 = 133,969,140.83/x
  3. Step 3: Cross multiply
    245,471,148.38x = 338,757,366.49 × 133,969,140.83
  4. Step 4: Simplify right side
    245,471,148.38x = 45,383,033,339,010,704
  5. Step 5: Solve for x
    x = 45,383,033,339,010,704/245,471,148.38
  6. Step 6: Final answer
    x = 184,881,333.87

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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.