Home / 443,274,974.20-664,852,100.10-115,776,098.20

Finding the Fourth Proportional to 443,274,974.20, 664,852,100.10 and 115,776,098.20

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Solution

The fourth proportional to 443,274,974.20, 664,852,100.10 and 115,776,098.20 is: 173,648,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,274,974.20 : 664,852,100.10 = 115,776,098.20 : x
  2. Step 2: Convert to fraction form
    443,274,974.20/664,852,100.10 = 115,776,098.20/x
  3. Step 3: Cross multiply
    443,274,974.20x = 664,852,100.10 × 115,776,098.20
  4. Step 4: Simplify right side
    443,274,974.20x = 76,973,982,029,653,840
  5. Step 5: Solve for x
    x = 76,973,982,029,653,840/443,274,974.20
  6. Step 6: Final answer
    x = 173,648,381.95

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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.