Home / 198,161,010.60-297,241,515.90-68,725,602.60

Finding the Fourth Proportional to 198,161,010.60, 297,241,515.90 and 68,725,602.60

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Solution

The fourth proportional to 198,161,010.60, 297,241,515.90 and 68,725,602.60 is: 103,088,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161,010.60 : 297,241,515.90 = 68,725,602.60 : x
  2. Step 2: Convert to fraction form
    198,161,010.60/297,241,515.90 = 68,725,602.60/x
  3. Step 3: Cross multiply
    198,161,010.60x = 297,241,515.90 × 68,725,602.60
  4. Step 4: Simplify right side
    198,161,010.60x = 20,428,102,297,964,976
  5. Step 5: Solve for x
    x = 20,428,102,297,964,976/198,161,010.60
  6. Step 6: Final answer
    x = 103,088,403.90

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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.