Home / 69,525,091.70-104,287,119.15-21,002,851.70

Finding the Fourth Proportional to 69,525,091.70, 104,287,119.15 and 21,002,851.70

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Solution

The fourth proportional to 69,525,091.70, 104,287,119.15 and 21,002,851.70 is: 31,504,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,525,091.70 : 104,287,119.15 = 21,002,851.70 : x
  2. Step 2: Convert to fraction form
    69,525,091.70/104,287,119.15 = 21,002,851.70/x
  3. Step 3: Cross multiply
    69,525,091.70x = 104,287,119.15 × 21,002,851.70
  4. Step 4: Simplify right side
    69,525,091.70x = 2,190,326,897,727,680
  5. Step 5: Solve for x
    x = 2,190,326,897,727,680/69,525,091.70
  6. Step 6: Final answer
    x = 31,504,120.95

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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.