Home / 125,310,804.78-188,004,695.64-59,815,517.72

Finding the Fourth Proportional to 125,310,804.78, 188,004,695.64 and 59,815,517.72

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Solution

The fourth proportional to 125,310,804.78, 188,004,695.64 and 59,815,517.72 is: 89,741,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,310,804.78 : 188,004,695.64 = 59,815,517.72 : x
  2. Step 2: Convert to fraction form
    125,310,804.78/188,004,695.64 = 59,815,517.72/x
  3. Step 3: Cross multiply
    125,310,804.78x = 188,004,695.64 × 59,815,517.72
  4. Step 4: Simplify right side
    125,310,804.78x = 11,245,598,203,497,626
  5. Step 5: Solve for x
    x = 11,245,598,203,497,626/125,310,804.78
  6. Step 6: Final answer
    x = 89,741,648.56

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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.