Home / 72,574,548.44-108,807,089.34-43,813,851.44

Finding the Fourth Proportional to 72,574,548.44, 108,807,089.34 and 43,813,851.44

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Solution

The fourth proportional to 72,574,548.44, 108,807,089.34 and 43,813,851.44 is: 65,687,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,574,548.44 : 108,807,089.34 = 43,813,851.44 : x
  2. Step 2: Convert to fraction form
    72,574,548.44/108,807,089.34 = 43,813,851.44/x
  3. Step 3: Cross multiply
    72,574,548.44x = 108,807,089.34 × 43,813,851.44
  4. Step 4: Simplify right side
    72,574,548.44x = 4,767,257,647,961,568
  5. Step 5: Solve for x
    x = 4,767,257,647,961,568/72,574,548.44
  6. Step 6: Final answer
    x = 65,687,734.20

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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.