Home / 66,733,896.90-100,100,845.35-28,396,661.70

Finding the Fourth Proportional to 66,733,896.90, 100,100,845.35 and 28,396,661.70

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Solution

The fourth proportional to 66,733,896.90, 100,100,845.35 and 28,396,661.70 is: 42,594,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733,896.90 : 100,100,845.35 = 28,396,661.70 : x
  2. Step 2: Convert to fraction form
    66,733,896.90/100,100,845.35 = 28,396,661.70/x
  3. Step 3: Cross multiply
    66,733,896.90x = 100,100,845.35 × 28,396,661.70
  4. Step 4: Simplify right side
    66,733,896.90x = 2,842,529,841,287,968
  5. Step 5: Solve for x
    x = 2,842,529,841,287,968/66,733,896.90
  6. Step 6: Final answer
    x = 42,594,992.55

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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.