Home / 132,865,363.80-199,298,045.70-121,386,238.20

Finding the Fourth Proportional to 132,865,363.80, 199,298,045.70 and 121,386,238.20

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Solution

The fourth proportional to 132,865,363.80, 199,298,045.70 and 121,386,238.20 is: 182,079,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,865,363.80 : 199,298,045.70 = 121,386,238.20 : x
  2. Step 2: Convert to fraction form
    132,865,363.80/199,298,045.70 = 121,386,238.20/x
  3. Step 3: Cross multiply
    132,865,363.80x = 199,298,045.70 × 121,386,238.20
  4. Step 4: Simplify right side
    132,865,363.80x = 24,192,040,048,134,684
  5. Step 5: Solve for x
    x = 24,192,040,048,134,684/132,865,363.80
  6. Step 6: Final answer
    x = 182,079,357.30

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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.