Home / 132,856,406.80-199,284,610.20-61,192,790.80

Finding the Fourth Proportional to 132,856,406.80, 199,284,610.20 and 61,192,790.80

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Solution

The fourth proportional to 132,856,406.80, 199,284,610.20 and 61,192,790.80 is: 91,789,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,856,406.80 : 199,284,610.20 = 61,192,790.80 : x
  2. Step 2: Convert to fraction form
    132,856,406.80/199,284,610.20 = 61,192,790.80/x
  3. Step 3: Cross multiply
    132,856,406.80x = 199,284,610.20 × 61,192,790.80
  4. Step 4: Simplify right side
    132,856,406.80x = 12,194,781,461,628,144
  5. Step 5: Solve for x
    x = 12,194,781,461,628,144/132,856,406.80
  6. Step 6: Final answer
    x = 91,789,186.20

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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.