Home / 81,778,769.29-112,855,422.38-44,609,214.70

Finding the Fourth Proportional to 81,778,769.29, 112,855,422.38 and 44,609,214.70

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Solution

The fourth proportional to 81,778,769.29, 112,855,422.38 and 44,609,214.70 is: 61,561,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,778,769.29 : 112,855,422.38 = 44,609,214.70 : x
  2. Step 2: Convert to fraction form
    81,778,769.29/112,855,422.38 = 44,609,214.70/x
  3. Step 3: Cross multiply
    81,778,769.29x = 112,855,422.38 × 44,609,214.70
  4. Step 4: Simplify right side
    81,778,769.29x = 5,034,391,767,008,605
  5. Step 5: Solve for x
    x = 5,034,391,767,008,605/81,778,769.29
  6. Step 6: Final answer
    x = 61,561,109.45

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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.