Home / 88,900,729.25-133,305,148.67-39,025,137.76

Finding the Fourth Proportional to 88,900,729.25, 133,305,148.67 and 39,025,137.76

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Solution

The fourth proportional to 88,900,729.25, 133,305,148.67 and 39,025,137.76 is: 58,517,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,900,729.25 : 133,305,148.67 = 39,025,137.76 : x
  2. Step 2: Convert to fraction form
    88,900,729.25/133,305,148.67 = 39,025,137.76/x
  3. Step 3: Cross multiply
    88,900,729.25x = 133,305,148.67 × 39,025,137.76
  4. Step 4: Simplify right side
    88,900,729.25x = 5,202,251,790,435,643
  5. Step 5: Solve for x
    x = 5,202,251,790,435,643/88,900,729.25
  6. Step 6: Final answer
    x = 58,517,537.87

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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.