Home / 74,981,423.39-103,432,723.27-43,615,939.19

Finding the Fourth Proportional to 74,981,423.39, 103,432,723.27 and 43,615,939.19

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Solution

The fourth proportional to 74,981,423.39, 103,432,723.27 and 43,615,939.19 is: 60,165,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,981,423.39 : 103,432,723.27 = 43,615,939.19 : x
  2. Step 2: Convert to fraction form
    74,981,423.39/103,432,723.27 = 43,615,939.19/x
  3. Step 3: Cross multiply
    74,981,423.39x = 103,432,723.27 × 43,615,939.19
  4. Step 4: Simplify right side
    74,981,423.39x = 4,511,315,367,774,215
  5. Step 5: Solve for x
    x = 4,511,315,367,774,215/74,981,423.39
  6. Step 6: Final answer
    x = 60,165,773.92

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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.