Home / 71,404,437.32-98,540,202.03-40,463,577.80

Finding the Fourth Proportional to 71,404,437.32, 98,540,202.03 and 40,463,577.80

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Solution

The fourth proportional to 71,404,437.32, 98,540,202.03 and 40,463,577.80 is: 55,840,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,404,437.32 : 98,540,202.03 = 40,463,577.80 : x
  2. Step 2: Convert to fraction form
    71,404,437.32/98,540,202.03 = 40,463,577.80/x
  3. Step 3: Cross multiply
    71,404,437.32x = 98,540,202.03 × 40,463,577.80
  4. Step 4: Simplify right side
    71,404,437.32x = 3,987,289,131,268,622.50
  5. Step 5: Solve for x
    x = 3,987,289,131,268,622.50/71,404,437.32
  6. Step 6: Final answer
    x = 55,840,915.23

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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.