Home / 71,016,509.96-98,002,804.74-40,083,232.04

Finding the Fourth Proportional to 71,016,509.96, 98,002,804.74 and 40,083,232.04

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Solution

The fourth proportional to 71,016,509.96, 98,002,804.74 and 40,083,232.04 is: 55,314,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,509.96 : 98,002,804.74 = 40,083,232.04 : x
  2. Step 2: Convert to fraction form
    71,016,509.96/98,002,804.74 = 40,083,232.04/x
  3. Step 3: Cross multiply
    71,016,509.96x = 98,002,804.74 × 40,083,232.04
  4. Step 4: Simplify right side
    71,016,509.96x = 3,928,269,162,964,231.50
  5. Step 5: Solve for x
    x = 3,928,269,162,964,231.50/71,016,509.96
  6. Step 6: Final answer
    x = 55,314,872.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.