Home / 40,840,133.77-61,223,121.89-20,376,112.33

Finding the Fourth Proportional to 40,840,133.77, 61,223,121.89 and 20,376,112.33

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Solution

The fourth proportional to 40,840,133.77, 61,223,121.89 and 20,376,112.33 is: 30,545,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840,133.77 : 61,223,121.89 = 20,376,112.33 : x
  2. Step 2: Convert to fraction form
    40,840,133.77/61,223,121.89 = 20,376,112.33/x
  3. Step 3: Cross multiply
    40,840,133.77x = 61,223,121.89 × 20,376,112.33
  4. Step 4: Simplify right side
    40,840,133.77x = 1,247,489,208,823,921.75
  5. Step 5: Solve for x
    x = 1,247,489,208,823,921.75/40,840,133.77
  6. Step 6: Final answer
    x = 30,545,669.02

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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.