Home / 108,522,010.80-162,783,016.20-65,475,289.80

Finding the Fourth Proportional to 108,522,010.80, 162,783,016.20 and 65,475,289.80

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Solution

The fourth proportional to 108,522,010.80, 162,783,016.20 and 65,475,289.80 is: 98,212,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522,010.80 : 162,783,016.20 = 65,475,289.80 : x
  2. Step 2: Convert to fraction form
    108,522,010.80/162,783,016.20 = 65,475,289.80/x
  3. Step 3: Cross multiply
    108,522,010.80x = 162,783,016.20 × 65,475,289.80
  4. Step 4: Simplify right side
    108,522,010.80x = 10,658,265,160,213,094
  5. Step 5: Solve for x
    x = 10,658,265,160,213,094/108,522,010.80
  6. Step 6: Final answer
    x = 98,212,934.70

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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.