Home / 72,171,034.20-108,256,551.30-44,908,110.90

Finding the Fourth Proportional to 72,171,034.20, 108,256,551.30 and 44,908,110.90

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Solution

The fourth proportional to 72,171,034.20, 108,256,551.30 and 44,908,110.90 is: 67,362,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,034.20 : 108,256,551.30 = 44,908,110.90 : x
  2. Step 2: Convert to fraction form
    72,171,034.20/108,256,551.30 = 44,908,110.90/x
  3. Step 3: Cross multiply
    72,171,034.20x = 108,256,551.30 × 44,908,110.90
  4. Step 4: Simplify right side
    72,171,034.20x = 4,861,597,211,431,939
  5. Step 5: Solve for x
    x = 4,861,597,211,431,939/72,171,034.20
  6. Step 6: Final answer
    x = 67,362,166.35

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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.