Home / 132,880,186.20-199,320,279.30-72,414,010.20

Finding the Fourth Proportional to 132,880,186.20, 199,320,279.30 and 72,414,010.20

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Solution

The fourth proportional to 132,880,186.20, 199,320,279.30 and 72,414,010.20 is: 108,621,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,186.20 : 199,320,279.30 = 72,414,010.20 : x
  2. Step 2: Convert to fraction form
    132,880,186.20/199,320,279.30 = 72,414,010.20/x
  3. Step 3: Cross multiply
    132,880,186.20x = 199,320,279.30 × 72,414,010.20
  4. Step 4: Simplify right side
    132,880,186.20x = 14,433,580,738,297,050
  5. Step 5: Solve for x
    x = 14,433,580,738,297,050/132,880,186.20
  6. Step 6: Final answer
    x = 108,621,015.30

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1.5x scale

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.