Home / 143,804,589.53-215,706,884.30-99,801,274.73

Finding the Fourth Proportional to 143,804,589.53, 215,706,884.30 and 99,801,274.73

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Solution

The fourth proportional to 143,804,589.53, 215,706,884.30 and 99,801,274.73 is: 149,701,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,589.53 : 215,706,884.30 = 99,801,274.73 : x
  2. Step 2: Convert to fraction form
    143,804,589.53/215,706,884.30 = 99,801,274.73/x
  3. Step 3: Cross multiply
    143,804,589.53x = 215,706,884.30 × 99,801,274.73
  4. Step 4: Simplify right side
    143,804,589.53x = 21,527,822,021,176,624
  5. Step 5: Solve for x
    x = 21,527,822,021,176,624/143,804,589.53
  6. Step 6: Final answer
    x = 149,701,912.10

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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.