Home / 61,235,999.70-91,853,999.55-55,177,572.30

Finding the Fourth Proportional to 61,235,999.70, 91,853,999.55 and 55,177,572.30

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Solution

The fourth proportional to 61,235,999.70, 91,853,999.55 and 55,177,572.30 is: 82,766,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,235,999.70 : 91,853,999.55 = 55,177,572.30 : x
  2. Step 2: Convert to fraction form
    61,235,999.70/91,853,999.55 = 55,177,572.30/x
  3. Step 3: Cross multiply
    61,235,999.70x = 91,853,999.55 × 55,177,572.30
  4. Step 4: Simplify right side
    61,235,999.70x = 5,068,280,701,214,292
  5. Step 5: Solve for x
    x = 5,068,280,701,214,292/61,235,999.70
  6. Step 6: Final answer
    x = 82,766,358.45

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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.