Home / 71,208,229.20-106,765,687.80-28,051,429.20

Finding the Fourth Proportional to 71,208,229.20, 106,765,687.80 and 28,051,429.20

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Solution

The fourth proportional to 71,208,229.20, 106,765,687.80 and 28,051,429.20 is: 42,058,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208,229.20 : 106,765,687.80 = 28,051,429.20 : x
  2. Step 2: Convert to fraction form
    71,208,229.20/106,765,687.80 = 28,051,429.20/x
  3. Step 3: Cross multiply
    71,208,229.20x = 106,765,687.80 × 28,051,429.20
  4. Step 4: Simplify right side
    71,208,229.20x = 2,994,930,132,311,003.50
  5. Step 5: Solve for x
    x = 2,994,930,132,311,003.50/71,208,229.20
  6. Step 6: Final answer
    x = 42,058,764.36

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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.