Home / 71,980,360.28-108,014,385.21-25,918,376.82

Finding the Fourth Proportional to 71,980,360.28, 108,014,385.21 and 25,918,376.82

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Solution

The fourth proportional to 71,980,360.28, 108,014,385.21 and 25,918,376.82 is: 38,893,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,980,360.28 : 108,014,385.21 = 25,918,376.82 : x
  2. Step 2: Convert to fraction form
    71,980,360.28/108,014,385.21 = 25,918,376.82/x
  3. Step 3: Cross multiply
    71,980,360.28x = 108,014,385.21 × 25,918,376.82
  4. Step 4: Simplify right side
    71,980,360.28x = 2,799,557,537,853,414.50
  5. Step 5: Solve for x
    x = 2,799,557,537,853,414.50/71,980,360.28
  6. Step 6: Final answer
    x = 38,893,352.67

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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.