Home / 74,304,069.80-111,456,104.70-71,328,000.20

Finding the Fourth Proportional to 74,304,069.80, 111,456,104.70 and 71,328,000.20

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Solution

The fourth proportional to 74,304,069.80, 111,456,104.70 and 71,328,000.20 is: 106,992,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,069.80 : 111,456,104.70 = 71,328,000.20 : x
  2. Step 2: Convert to fraction form
    74,304,069.80/111,456,104.70 = 71,328,000.20/x
  3. Step 3: Cross multiply
    74,304,069.80x = 111,456,104.70 × 71,328,000.20
  4. Step 4: Simplify right side
    74,304,069.80x = 7,949,941,058,332,821
  5. Step 5: Solve for x
    x = 7,949,941,058,332,821/74,304,069.80
  6. Step 6: Final answer
    x = 106,992,000.30

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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.