Home / 203,443,860.61-304,781,778.62-120,197,217.38

Finding the Fourth Proportional to 203,443,860.61, 304,781,778.62 and 120,197,217.38

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Solution

The fourth proportional to 203,443,860.61, 304,781,778.62 and 120,197,217.38 is: 180,068,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,443,860.61 : 304,781,778.62 = 120,197,217.38 : x
  2. Step 2: Convert to fraction form
    203,443,860.61/304,781,778.62 = 120,197,217.38/x
  3. Step 3: Cross multiply
    203,443,860.61x = 304,781,778.62 × 120,197,217.38
  4. Step 4: Simplify right side
    203,443,860.61x = 36,633,921,696,577,016
  5. Step 5: Solve for x
    x = 36,633,921,696,577,016/203,443,860.61
  6. Step 6: Final answer
    x = 180,068,946.72

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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.