Home / 92,317,403.40-138,488,546.70-31,751,694.60

Finding the Fourth Proportional to 92,317,403.40, 138,488,546.70 and 31,751,694.60

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Solution

The fourth proportional to 92,317,403.40, 138,488,546.70 and 31,751,694.60 is: 47,631,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,317,403.40 : 138,488,546.70 = 31,751,694.60 : x
  2. Step 2: Convert to fraction form
    92,317,403.40/138,488,546.70 = 31,751,694.60/x
  3. Step 3: Cross multiply
    92,317,403.40x = 138,488,546.70 × 31,751,694.60
  4. Step 4: Simplify right side
    92,317,403.40x = 4,397,246,040,416,237.50
  5. Step 5: Solve for x
    x = 4,397,246,040,416,237.50/92,317,403.40
  6. Step 6: Final answer
    x = 47,631,821.07

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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.