Home / 75,765,179.76-104,584,380.60-49,661,379.12

Finding the Fourth Proportional to 75,765,179.76, 104,584,380.60 and 49,661,379.12

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Solution

The fourth proportional to 75,765,179.76, 104,584,380.60 and 49,661,379.12 is: 68,551,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765,179.76 : 104,584,380.60 = 49,661,379.12 : x
  2. Step 2: Convert to fraction form
    75,765,179.76/104,584,380.60 = 49,661,379.12/x
  3. Step 3: Cross multiply
    75,765,179.76x = 104,584,380.60 × 49,661,379.12
  4. Step 4: Simplify right side
    75,765,179.76x = 5,193,804,575,006,972
  5. Step 5: Solve for x
    x = 5,193,804,575,006,972/75,765,179.76
  6. Step 6: Final answer
    x = 68,551,339.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.