Home / 40,166,324.32-55,456,220.84-30,857,315.08

Finding the Fourth Proportional to 40,166,324.32, 55,456,220.84 and 30,857,315.08

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Solution

The fourth proportional to 40,166,324.32, 55,456,220.84 and 30,857,315.08 is: 42,603,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166,324.32 : 55,456,220.84 = 30,857,315.08 : x
  2. Step 2: Convert to fraction form
    40,166,324.32/55,456,220.84 = 30,857,315.08/x
  3. Step 3: Cross multiply
    40,166,324.32x = 55,456,220.84 × 30,857,315.08
  4. Step 4: Simplify right side
    40,166,324.32x = 1,711,230,079,605,942.25
  5. Step 5: Solve for x
    x = 1,711,230,079,605,942.25/40,166,324.32
  6. Step 6: Final answer
    x = 42,603,601.61

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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.