Home / 67,085,999.70-100,628,999.55-59,433,249.30

Finding the Fourth Proportional to 67,085,999.70, 100,628,999.55 and 59,433,249.30

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Solution

The fourth proportional to 67,085,999.70, 100,628,999.55 and 59,433,249.30 is: 89,149,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,085,999.70 : 100,628,999.55 = 59,433,249.30 : x
  2. Step 2: Convert to fraction form
    67,085,999.70/100,628,999.55 = 59,433,249.30/x
  3. Step 3: Cross multiply
    67,085,999.70x = 100,628,999.55 × 59,433,249.30
  4. Step 4: Simplify right side
    67,085,999.70x = 5,980,708,417,064,737
  5. Step 5: Solve for x
    x = 5,980,708,417,064,737/67,085,999.70
  6. Step 6: Final answer
    x = 89,149,873.95

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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.