Home / 71,404,418.79-98,540,176.46-40,463,559.27

Finding the Fourth Proportional to 71,404,418.79, 98,540,176.46 and 40,463,559.27

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Solution

The fourth proportional to 71,404,418.79, 98,540,176.46 and 40,463,559.27 is: 55,840,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,404,418.79 : 98,540,176.46 = 40,463,559.27 : x
  2. Step 2: Convert to fraction form
    71,404,418.79/98,540,176.46 = 40,463,559.27/x
  3. Step 3: Cross multiply
    71,404,418.79x = 98,540,176.46 × 40,463,559.27
  4. Step 4: Simplify right side
    71,404,418.79x = 3,987,286,270,463,151
  5. Step 5: Solve for x
    x = 3,987,286,270,463,151/71,404,418.79
  6. Step 6: Final answer
    x = 55,840,889.65

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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.