Home / 169,314,947.70-253,972,421.55-54,311,115.30

Finding the Fourth Proportional to 169,314,947.70, 253,972,421.55 and 54,311,115.30

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Solution

The fourth proportional to 169,314,947.70, 253,972,421.55 and 54,311,115.30 is: 81,466,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,314,947.70 : 253,972,421.55 = 54,311,115.30 : x
  2. Step 2: Convert to fraction form
    169,314,947.70/253,972,421.55 = 54,311,115.30/x
  3. Step 3: Cross multiply
    169,314,947.70x = 253,972,421.55 × 54,311,115.30
  4. Step 4: Simplify right side
    169,314,947.70x = 13,793,525,469,822,254
  5. Step 5: Solve for x
    x = 13,793,525,469,822,254/169,314,947.70
  6. Step 6: Final answer
    x = 81,466,672.95

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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.