Home / 43,589,900.82-65,350,921.95-28,204,683.06

Finding the Fourth Proportional to 43,589,900.82, 65,350,921.95 and 28,204,683.06

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Solution

The fourth proportional to 43,589,900.82, 65,350,921.95 and 28,204,683.06 is: 42,285,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,589,900.82 : 65,350,921.95 = 28,204,683.06 : x
  2. Step 2: Convert to fraction form
    43,589,900.82/65,350,921.95 = 28,204,683.06/x
  3. Step 3: Cross multiply
    43,589,900.82x = 65,350,921.95 × 28,204,683.06
  4. Step 4: Simplify right side
    43,589,900.82x = 1,843,202,041,278,547.25
  5. Step 5: Solve for x
    x = 1,843,202,041,278,547.25/43,589,900.82
  6. Step 6: Final answer
    x = 42,285,070.78

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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.