Home / 84,237,898-126,340,867.32-41,063,679.76

Finding the Fourth Proportional to 84,237,898, 126,340,867.32 and 41,063,679.76

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Solution

The fourth proportional to 84,237,898, 126,340,867.32 and 41,063,679.76 is: 61,587,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,237,898 : 126,340,867.32 = 41,063,679.76 : x
  2. Step 2: Convert to fraction form
    84,237,898/126,340,867.32 = 41,063,679.76/x
  3. Step 3: Cross multiply
    84,237,898x = 126,340,867.32 × 41,063,679.76
  4. Step 4: Simplify right side
    84,237,898x = 5,188,020,916,229,129
  5. Step 5: Solve for x
    x = 5,188,020,916,229,129/84,237,898
  6. Step 6: Final answer
    x = 61,587,729.98

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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.