Home / 82,530,830.80-123,796,246.20-75,476,443.60

Finding the Fourth Proportional to 82,530,830.80, 123,796,246.20 and 75,476,443.60

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Solution

The fourth proportional to 82,530,830.80, 123,796,246.20 and 75,476,443.60 is: 113,214,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530,830.80 : 123,796,246.20 = 75,476,443.60 : x
  2. Step 2: Convert to fraction form
    82,530,830.80/123,796,246.20 = 75,476,443.60/x
  3. Step 3: Cross multiply
    82,530,830.80x = 123,796,246.20 × 75,476,443.60
  4. Step 4: Simplify right side
    82,530,830.80x = 9,343,700,394,206,014
  5. Step 5: Solve for x
    x = 9,343,700,394,206,014/82,530,830.80
  6. Step 6: Final answer
    x = 113,214,665.40

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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.