Home / 72,097,055.40-108,229,563.90-43,375,621.80

Finding the Fourth Proportional to 72,097,055.40, 108,229,563.90 and 43,375,621.80

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Solution

The fourth proportional to 72,097,055.40, 108,229,563.90 and 43,375,621.80 is: 65,113,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,097,055.40 : 108,229,563.90 = 43,375,621.80 : x
  2. Step 2: Convert to fraction form
    72,097,055.40/108,229,563.90 = 43,375,621.80/x
  3. Step 3: Cross multiply
    72,097,055.40x = 108,229,563.90 × 43,375,621.80
  4. Step 4: Simplify right side
    72,097,055.40x = 4,694,524,631,305,333
  5. Step 5: Solve for x
    x = 4,694,524,631,305,333/72,097,055.40
  6. Step 6: Final answer
    x = 65,113,957.92

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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.