Home / 144,967,912.90-200,055,749.40-79,777,816.90

Finding the Fourth Proportional to 144,967,912.90, 200,055,749.40 and 79,777,816.90

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Solution

The fourth proportional to 144,967,912.90, 200,055,749.40 and 79,777,816.90 is: 110,093,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,967,912.90 : 200,055,749.40 = 79,777,816.90 : x
  2. Step 2: Convert to fraction form
    144,967,912.90/200,055,749.40 = 79,777,816.90/x
  3. Step 3: Cross multiply
    144,967,912.90x = 200,055,749.40 × 79,777,816.90
  4. Step 4: Simplify right side
    144,967,912.90x = 15,960,010,945,425,486
  5. Step 5: Solve for x
    x = 15,960,010,945,425,486/144,967,912.90
  6. Step 6: Final answer
    x = 110,093,403.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.