Home / 72,265,084.80-108,361,760.40-26,205,115.20

Finding the Fourth Proportional to 72,265,084.80, 108,361,760.40 and 26,205,115.20

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Solution

The fourth proportional to 72,265,084.80, 108,361,760.40 and 26,205,115.20 is: 39,294,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,265,084.80 : 108,361,760.40 = 26,205,115.20 : x
  2. Step 2: Convert to fraction form
    72,265,084.80/108,361,760.40 = 26,205,115.20/x
  3. Step 3: Cross multiply
    72,265,084.80x = 108,361,760.40 × 26,205,115.20
  4. Step 4: Simplify right side
    72,265,084.80x = 2,839,632,414,556,798
  5. Step 5: Solve for x
    x = 2,839,632,414,556,798/72,265,084.80
  6. Step 6: Final answer
    x = 39,294,666.61

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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.