Home / 132,865,344.30-199,298,016.45-121,386,218.70

Finding the Fourth Proportional to 132,865,344.30, 199,298,016.45 and 121,386,218.70

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Solution

The fourth proportional to 132,865,344.30, 199,298,016.45 and 121,386,218.70 is: 182,079,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,865,344.30 : 199,298,016.45 = 121,386,218.70 : x
  2. Step 2: Convert to fraction form
    132,865,344.30/199,298,016.45 = 121,386,218.70/x
  3. Step 3: Cross multiply
    132,865,344.30x = 199,298,016.45 × 121,386,218.70
  4. Step 4: Simplify right side
    132,865,344.30x = 24,192,032,611,275,896
  5. Step 5: Solve for x
    x = 24,192,032,611,275,896/132,865,344.30
  6. Step 6: Final answer
    x = 182,079,328.05

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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.