Home / 159,682,015.20-239,523,022.80-143,526,208.80

Finding the Fourth Proportional to 159,682,015.20, 239,523,022.80 and 143,526,208.80

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Solution

The fourth proportional to 159,682,015.20, 239,523,022.80 and 143,526,208.80 is: 215,289,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,682,015.20 : 239,523,022.80 = 143,526,208.80 : x
  2. Step 2: Convert to fraction form
    159,682,015.20/239,523,022.80 = 143,526,208.80/x
  3. Step 3: Cross multiply
    159,682,015.20x = 239,523,022.80 × 143,526,208.80
  4. Step 4: Simplify right side
    159,682,015.20x = 34,377,831,382,799,964
  5. Step 5: Solve for x
    x = 34,377,831,382,799,964/159,682,015.20
  6. Step 6: Final answer
    x = 215,289,313.20

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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.