Home / 132,192,093.54-198,321,776.36-77,650,806.72

Finding the Fourth Proportional to 132,192,093.54, 198,321,776.36 and 77,650,806.72

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Solution

The fourth proportional to 132,192,093.54, 198,321,776.36 and 77,650,806.72 is: 116,495,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,093.54 : 198,321,776.36 = 77,650,806.72 : x
  2. Step 2: Convert to fraction form
    132,192,093.54/198,321,776.36 = 77,650,806.72/x
  3. Step 3: Cross multiply
    132,192,093.54x = 198,321,776.36 × 77,650,806.72
  4. Step 4: Simplify right side
    132,192,093.54x = 15,399,845,924,497,426
  5. Step 5: Solve for x
    x = 15,399,845,924,497,426/132,192,093.54
  6. Step 6: Final answer
    x = 116,495,968.19

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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.