Home / 109,156,631.60-163,734,947.40-54,577,640.90

Finding the Fourth Proportional to 109,156,631.60, 163,734,947.40 and 54,577,640.90

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Solution

The fourth proportional to 109,156,631.60, 163,734,947.40 and 54,577,640.90 is: 81,866,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,631.60 : 163,734,947.40 = 54,577,640.90 : x
  2. Step 2: Convert to fraction form
    109,156,631.60/163,734,947.40 = 54,577,640.90/x
  3. Step 3: Cross multiply
    109,156,631.60x = 163,734,947.40 × 54,577,640.90
  4. Step 4: Simplify right side
    109,156,631.60x = 8,936,267,161,977,589
  5. Step 5: Solve for x
    x = 8,936,267,161,977,589/109,156,631.60
  6. Step 6: Final answer
    x = 81,866,461.35

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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.