Home / 198,405,531.90-297,658,599.21-140,227,677.18

Finding the Fourth Proportional to 198,405,531.90, 297,658,599.21 and 140,227,677.18

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Solution

The fourth proportional to 198,405,531.90, 297,658,599.21 and 140,227,677.18 is: 210,377,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,405,531.90 : 297,658,599.21 = 140,227,677.18 : x
  2. Step 2: Convert to fraction form
    198,405,531.90/297,658,599.21 = 140,227,677.18/x
  3. Step 3: Cross multiply
    198,405,531.90x = 297,658,599.21 × 140,227,677.18
  4. Step 4: Simplify right side
    198,405,531.90x = 41,739,973,959,870,880
  5. Step 5: Solve for x
    x = 41,739,973,959,870,880/198,405,531.90
  6. Step 6: Final answer
    x = 210,377,067.41

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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.