Home / 61,238,765.20-91,858,147.80-50,609,945.20

Finding the Fourth Proportional to 61,238,765.20, 91,858,147.80 and 50,609,945.20

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Solution

The fourth proportional to 61,238,765.20, 91,858,147.80 and 50,609,945.20 is: 75,914,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,765.20 : 91,858,147.80 = 50,609,945.20 : x
  2. Step 2: Convert to fraction form
    61,238,765.20/91,858,147.80 = 50,609,945.20/x
  3. Step 3: Cross multiply
    61,238,765.20x = 91,858,147.80 × 50,609,945.20
  4. Step 4: Simplify right side
    61,238,765.20x = 4,648,935,826,331,501
  5. Step 5: Solve for x
    x = 4,648,935,826,331,501/61,238,765.20
  6. Step 6: Final answer
    x = 75,914,917.80

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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.