Home / 118,052,615.57-162,912,826.87-65,845,016.30

Finding the Fourth Proportional to 118,052,615.57, 162,912,826.87 and 65,845,016.30

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Solution

The fourth proportional to 118,052,615.57, 162,912,826.87 and 65,845,016.30 is: 90,866,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052,615.57 : 162,912,826.87 = 65,845,016.30 : x
  2. Step 2: Convert to fraction form
    118,052,615.57/162,912,826.87 = 65,845,016.30/x
  3. Step 3: Cross multiply
    118,052,615.57x = 162,912,826.87 × 65,845,016.30
  4. Step 4: Simplify right side
    118,052,615.57x = 10,726,997,740,976,898
  5. Step 5: Solve for x
    x = 10,726,997,740,976,898/118,052,615.57
  6. Step 6: Final answer
    x = 90,866,243.75

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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.