Home / 40,128,096.22-55,378,135.89-38,289,362.29

Finding the Fourth Proportional to 40,128,096.22, 55,378,135.89 and 38,289,362.29

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Solution

The fourth proportional to 40,128,096.22, 55,378,135.89 and 38,289,362.29 is: 52,840,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,096.22 : 55,378,135.89 = 38,289,362.29 : x
  2. Step 2: Convert to fraction form
    40,128,096.22/55,378,135.89 = 38,289,362.29/x
  3. Step 3: Cross multiply
    40,128,096.22x = 55,378,135.89 × 38,289,362.29
  4. Step 4: Simplify right side
    40,128,096.22x = 2,120,393,507,898,616.25
  5. Step 5: Solve for x
    x = 2,120,393,507,898,616.25/40,128,096.22
  6. Step 6: Final answer
    x = 52,840,620.61

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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.