Home / 82,214,586.40-123,321,879.60-48,174,368.80

Finding the Fourth Proportional to 82,214,586.40, 123,321,879.60 and 48,174,368.80

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Solution

The fourth proportional to 82,214,586.40, 123,321,879.60 and 48,174,368.80 is: 72,261,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,214,586.40 : 123,321,879.60 = 48,174,368.80 : x
  2. Step 2: Convert to fraction form
    82,214,586.40/123,321,879.60 = 48,174,368.80/x
  3. Step 3: Cross multiply
    82,214,586.40x = 123,321,879.60 × 48,174,368.80
  4. Step 4: Simplify right side
    82,214,586.40x = 5,940,953,708,959,596
  5. Step 5: Solve for x
    x = 5,940,953,708,959,596/82,214,586.40
  6. Step 6: Final answer
    x = 72,261,553.20

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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.