Home / 132,862,605.60-199,134,476.10-68,133,091.80

Finding the Fourth Proportional to 132,862,605.60, 199,134,476.10 and 68,133,091.80

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Solution

The fourth proportional to 132,862,605.60, 199,134,476.10 and 68,133,091.80 is: 102,117,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,862,605.60 : 199,134,476.10 = 68,133,091.80 : x
  2. Step 2: Convert to fraction form
    132,862,605.60/199,134,476.10 = 68,133,091.80/x
  3. Step 3: Cross multiply
    132,862,605.60x = 199,134,476.10 × 68,133,091.80
  4. Step 4: Simplify right side
    132,862,605.60x = 13,567,647,540,666,204
  5. Step 5: Solve for x
    x = 13,567,647,540,666,204/132,862,605.60
  6. Step 6: Final answer
    x = 102,117,879.44

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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.