Home / 66,917,356.25-100,380,832.08-28,016,662.37

Finding the Fourth Proportional to 66,917,356.25, 100,380,832.08 and 28,016,662.37

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Solution

The fourth proportional to 66,917,356.25, 100,380,832.08 and 28,016,662.37 is: 42,027,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917,356.25 : 100,380,832.08 = 28,016,662.37 : x
  2. Step 2: Convert to fraction form
    66,917,356.25/100,380,832.08 = 28,016,662.37/x
  3. Step 3: Cross multiply
    66,917,356.25x = 100,380,832.08 × 28,016,662.37
  4. Step 4: Simplify right side
    66,917,356.25x = 2,812,335,880,950,914.50
  5. Step 5: Solve for x
    x = 2,812,335,880,950,914.50/66,917,356.25
  6. Step 6: Final answer
    x = 42,027,002.24

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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.