Home / 57,875,508.90-79,867,886.94-31,770,470.88

Finding the Fourth Proportional to 57,875,508.90, 79,867,886.94 and 31,770,470.88

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Solution

The fourth proportional to 57,875,508.90, 79,867,886.94 and 31,770,470.88 is: 43,843,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,875,508.90 : 79,867,886.94 = 31,770,470.88 : x
  2. Step 2: Convert to fraction form
    57,875,508.90/79,867,886.94 = 31,770,470.88/x
  3. Step 3: Cross multiply
    57,875,508.90x = 79,867,886.94 × 31,770,470.88
  4. Step 4: Simplify right side
    57,875,508.90x = 2,537,440,376,274,402
  5. Step 5: Solve for x
    x = 2,537,440,376,274,402/57,875,508.90
  6. Step 6: Final answer
    x = 43,843,076.71

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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.