Home / 143,454,596.95-215,209,175.52-99,324,982.90

Finding the Fourth Proportional to 143,454,596.95, 215,209,175.52 and 99,324,982.90

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Solution

The fourth proportional to 143,454,596.95, 215,209,175.52 and 99,324,982.90 is: 149,006,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,454,596.95 : 215,209,175.52 = 99,324,982.90 : x
  2. Step 2: Convert to fraction form
    143,454,596.95/215,209,175.52 = 99,324,982.90/x
  3. Step 3: Cross multiply
    143,454,596.95x = 215,209,175.52 × 99,324,982.90
  4. Step 4: Simplify right side
    143,454,596.95x = 21,375,647,678,447,100
  5. Step 5: Solve for x
    x = 21,375,647,678,447,100/143,454,596.95
  6. Step 6: Final answer
    x = 149,006,362.52

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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.