Home / 67,085,998.20-100,628,997.30-59,433,247.80

Finding the Fourth Proportional to 67,085,998.20, 100,628,997.30 and 59,433,247.80

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Solution

The fourth proportional to 67,085,998.20, 100,628,997.30 and 59,433,247.80 is: 89,149,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,085,998.20 : 100,628,997.30 = 59,433,247.80 : x
  2. Step 2: Convert to fraction form
    67,085,998.20/100,628,997.30 = 59,433,247.80/x
  3. Step 3: Cross multiply
    67,085,998.20x = 100,628,997.30 × 59,433,247.80
  4. Step 4: Simplify right side
    67,085,998.20x = 5,980,708,132,396,430
  5. Step 5: Solve for x
    x = 5,980,708,132,396,430/67,085,998.20
  6. Step 6: Final answer
    x = 89,149,871.70

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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.