Home / 71,615,514.18-107,346,789.81-40,843,834.71

Finding the Fourth Proportional to 71,615,514.18, 107,346,789.81 and 40,843,834.71

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Solution

The fourth proportional to 71,615,514.18, 107,346,789.81 and 40,843,834.71 is: 61,222,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,615,514.18 : 107,346,789.81 = 40,843,834.71 : x
  2. Step 2: Convert to fraction form
    71,615,514.18/107,346,789.81 = 40,843,834.71/x
  3. Step 3: Cross multiply
    71,615,514.18x = 107,346,789.81 × 40,843,834.71
  4. Step 4: Simplify right side
    71,615,514.18x = 4,384,454,539,648,752.50
  5. Step 5: Solve for x
    x = 4,384,454,539,648,752.50/71,615,514.18
  6. Step 6: Final answer
    x = 61,222,133.08

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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.