Home / 72,576,007.20-108,864,010.80-52,168,672.80

Finding the Fourth Proportional to 72,576,007.20, 108,864,010.80 and 52,168,672.80

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Solution

The fourth proportional to 72,576,007.20, 108,864,010.80 and 52,168,672.80 is: 78,253,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576,007.20 : 108,864,010.80 = 52,168,672.80 : x
  2. Step 2: Convert to fraction form
    72,576,007.20/108,864,010.80 = 52,168,672.80/x
  3. Step 3: Cross multiply
    72,576,007.20x = 108,864,010.80 × 52,168,672.80
  4. Step 4: Simplify right side
    72,576,007.20x = 5,679,290,959,120,866
  5. Step 5: Solve for x
    x = 5,679,290,959,120,866/72,576,007.20
  6. Step 6: Final answer
    x = 78,253,009.20

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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.