Home / 173,946,799.76-260,352,429.56-127,876,469.20

Finding the Fourth Proportional to 173,946,799.76, 260,352,429.56 and 127,876,469.20

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Solution

The fourth proportional to 173,946,799.76, 260,352,429.56 and 127,876,469.20 is: 191,397,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,946,799.76 : 260,352,429.56 = 127,876,469.20 : x
  2. Step 2: Convert to fraction form
    173,946,799.76/260,352,429.56 = 127,876,469.20/x
  3. Step 3: Cross multiply
    173,946,799.76x = 260,352,429.56 × 127,876,469.20
  4. Step 4: Simplify right side
    173,946,799.76x = 33,292,949,439,774,512
  5. Step 5: Solve for x
    x = 33,292,949,439,774,512/173,946,799.76
  6. Step 6: Final answer
    x = 191,397,309.33

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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.