Home / 121,858,912.92-182,818,622.88-60,476,879.64

Finding the Fourth Proportional to 121,858,912.92, 182,818,622.88 and 60,476,879.64

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Solution

The fourth proportional to 121,858,912.92, 182,818,622.88 and 60,476,879.64 is: 90,730,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,858,912.92 : 182,818,622.88 = 60,476,879.64 : x
  2. Step 2: Convert to fraction form
    121,858,912.92/182,818,622.88 = 60,476,879.64/x
  3. Step 3: Cross multiply
    121,858,912.92x = 182,818,622.88 × 60,476,879.64
  4. Step 4: Simplify right side
    121,858,912.92x = 11,056,299,851,864,310
  5. Step 5: Solve for x
    x = 11,056,299,851,864,310/121,858,912.92
  6. Step 6: Final answer
    x = 90,730,333.85

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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.