Home / 170,471,933.10-235,315,240.83-111,738,380.94

Finding the Fourth Proportional to 170,471,933.10, 235,315,240.83 and 111,738,380.94

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Solution

The fourth proportional to 170,471,933.10, 235,315,240.83 and 111,738,380.94 is: 154,240,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,471,933.10 : 235,315,240.83 = 111,738,380.94 : x
  2. Step 2: Convert to fraction form
    170,471,933.10/235,315,240.83 = 111,738,380.94/x
  3. Step 3: Cross multiply
    170,471,933.10x = 235,315,240.83 × 111,738,380.94
  4. Step 4: Simplify right side
    170,471,933.10x = 26,293,744,020,850,384
  5. Step 5: Solve for x
    x = 26,293,744,020,850,384/170,471,933.10
  6. Step 6: Final answer
    x = 154,240,897.86

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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.