Home / 49,081,384.62-67,768,365.15-31,687,889.58

Finding the Fourth Proportional to 49,081,384.62, 67,768,365.15 and 31,687,889.58

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Solution

The fourth proportional to 49,081,384.62, 67,768,365.15 and 31,687,889.58 is: 43,752,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,081,384.62 : 67,768,365.15 = 31,687,889.58 : x
  2. Step 2: Convert to fraction form
    49,081,384.62/67,768,365.15 = 31,687,889.58/x
  3. Step 3: Cross multiply
    49,081,384.62x = 67,768,365.15 × 31,687,889.58
  4. Step 4: Simplify right side
    49,081,384.62x = 2,147,436,471,890,320.25
  5. Step 5: Solve for x
    x = 2,147,436,471,890,320.25/49,081,384.62
  6. Step 6: Final answer
    x = 43,752,565.02

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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.