Home / 131,098,793.40-196,648,190.10-82,631,374.20

Finding the Fourth Proportional to 131,098,793.40, 196,648,190.10 and 82,631,374.20

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Solution

The fourth proportional to 131,098,793.40, 196,648,190.10 and 82,631,374.20 is: 123,947,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098,793.40 : 196,648,190.10 = 82,631,374.20 : x
  2. Step 2: Convert to fraction form
    131,098,793.40/196,648,190.10 = 82,631,374.20/x
  3. Step 3: Cross multiply
    131,098,793.40x = 196,648,190.10 × 82,631,374.20
  4. Step 4: Simplify right side
    131,098,793.40x = 16,249,310,181,905,836
  5. Step 5: Solve for x
    x = 16,249,310,181,905,836/131,098,793.40
  6. Step 6: Final answer
    x = 123,947,061.30

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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.