Home / 67,974,769.80-101,962,869.72-54,414,120.80

Finding the Fourth Proportional to 67,974,769.80, 101,962,869.72 and 54,414,120.80

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Solution

The fourth proportional to 67,974,769.80, 101,962,869.72 and 54,414,120.80 is: 81,621,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,974,769.80 : 101,962,869.72 = 54,414,120.80 : x
  2. Step 2: Convert to fraction form
    67,974,769.80/101,962,869.72 = 54,414,120.80/x
  3. Step 3: Cross multiply
    67,974,769.80x = 101,962,869.72 × 54,414,120.80
  4. Step 4: Simplify right side
    67,974,769.80x = 5,548,219,910,058,742
  5. Step 5: Solve for x
    x = 5,548,219,910,058,742/67,974,769.80
  6. Step 6: Final answer
    x = 81,621,753.58

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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.