Home / 99,862,679.33-137,814,753.51-55,809,676.87

Finding the Fourth Proportional to 99,862,679.33, 137,814,753.51 and 55,809,676.87

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Solution

The fourth proportional to 99,862,679.33, 137,814,753.51 and 55,809,676.87 is: 77,019,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862,679.33 : 137,814,753.51 = 55,809,676.87 : x
  2. Step 2: Convert to fraction form
    99,862,679.33/137,814,753.51 = 55,809,676.87/x
  3. Step 3: Cross multiply
    99,862,679.33x = 137,814,753.51 × 55,809,676.87
  4. Step 4: Simplify right side
    99,862,679.33x = 7,691,396,861,311,797
  5. Step 5: Solve for x
    x = 7,691,396,861,311,797/99,862,679.33
  6. Step 6: Final answer
    x = 77,019,732.63

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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.