Home / 82,608,435.40-123,912,653.10-73,680,226.60

Finding the Fourth Proportional to 82,608,435.40, 123,912,653.10 and 73,680,226.60

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Solution

The fourth proportional to 82,608,435.40, 123,912,653.10 and 73,680,226.60 is: 110,520,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,608,435.40 : 123,912,653.10 = 73,680,226.60 : x
  2. Step 2: Convert to fraction form
    82,608,435.40/123,912,653.10 = 73,680,226.60/x
  3. Step 3: Cross multiply
    82,608,435.40x = 123,912,653.10 × 73,680,226.60
  4. Step 4: Simplify right side
    82,608,435.40x = 9,129,912,359,015,192
  5. Step 5: Solve for x
    x = 9,129,912,359,015,192/82,608,435.40
  6. Step 6: Final answer
    x = 110,520,339.90

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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.