Home / 125,804,542.82-188,719,726.32-48,146,771.52

Finding the Fourth Proportional to 125,804,542.82, 188,719,726.32 and 48,146,771.52

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Solution

The fourth proportional to 125,804,542.82, 188,719,726.32 and 48,146,771.52 is: 72,225,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,804,542.82 : 188,719,726.32 = 48,146,771.52 : x
  2. Step 2: Convert to fraction form
    125,804,542.82/188,719,726.32 = 48,146,771.52/x
  3. Step 3: Cross multiply
    125,804,542.82x = 188,719,726.32 × 48,146,771.52
  4. Step 4: Simplify right side
    125,804,542.82x = 9,086,245,544,445,970
  5. Step 5: Solve for x
    x = 9,086,245,544,445,970/125,804,542.82
  6. Step 6: Final answer
    x = 72,225,098.88

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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.