Home / 80,961,563.61-121,442,250.24-26,374,059.81

Finding the Fourth Proportional to 80,961,563.61, 121,442,250.24 and 26,374,059.81

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Solution

The fourth proportional to 80,961,563.61, 121,442,250.24 and 26,374,059.81 is: 39,561,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,961,563.61 : 121,442,250.24 = 26,374,059.81 : x
  2. Step 2: Convert to fraction form
    80,961,563.61/121,442,250.24 = 26,374,059.81/x
  3. Step 3: Cross multiply
    80,961,563.61x = 121,442,250.24 × 26,374,059.81
  4. Step 4: Simplify right side
    80,961,563.61x = 3,202,925,171,290,746.50
  5. Step 5: Solve for x
    x = 3,202,925,171,290,746.50/80,961,563.61
  6. Step 6: Final answer
    x = 39,561,058.71

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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.