Home / 132,901,989.89-199,352,148.31-71,520,062.31

Finding the Fourth Proportional to 132,901,989.89, 199,352,148.31 and 71,520,062.31

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Solution

The fourth proportional to 132,901,989.89, 199,352,148.31 and 71,520,062.31 is: 107,279,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901,989.89 : 199,352,148.31 = 71,520,062.31 : x
  2. Step 2: Convert to fraction form
    132,901,989.89/199,352,148.31 = 71,520,062.31/x
  3. Step 3: Cross multiply
    132,901,989.89x = 199,352,148.31 × 71,520,062.31
  4. Step 4: Simplify right side
    132,901,989.89x = 14,257,678,069,197,874
  5. Step 5: Solve for x
    x = 14,257,678,069,197,874/132,901,989.89
  6. Step 6: Final answer
    x = 107,279,643.30

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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.