Home / 275,043,145.25-412,519,870.54-80,909,158.57

Finding the Fourth Proportional to 275,043,145.25, 412,519,870.54 and 80,909,158.57

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Solution

The fourth proportional to 275,043,145.25, 412,519,870.54 and 80,909,158.57 is: 121,350,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,043,145.25 : 412,519,870.54 = 80,909,158.57 : x
  2. Step 2: Convert to fraction form
    275,043,145.25/412,519,870.54 = 80,909,158.57/x
  3. Step 3: Cross multiply
    275,043,145.25x = 412,519,870.54 × 80,909,158.57
  4. Step 4: Simplify right side
    275,043,145.25x = 33,376,635,617,865,756
  5. Step 5: Solve for x
    x = 33,376,635,617,865,756/275,043,145.25
  6. Step 6: Final answer
    x = 121,350,545.16

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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.