Home / 54,507,121.44-81,772,834.82-15,642,543.75

Finding the Fourth Proportional to 54,507,121.44, 81,772,834.82 and 15,642,543.75

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Solution

The fourth proportional to 54,507,121.44, 81,772,834.82 and 15,642,543.75 is: 23,467,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507,121.44 : 81,772,834.82 = 15,642,543.75 : x
  2. Step 2: Convert to fraction form
    54,507,121.44/81,772,834.82 = 15,642,543.75/x
  3. Step 3: Cross multiply
    54,507,121.44x = 81,772,834.82 × 15,642,543.75
  4. Step 4: Simplify right side
    54,507,121.44x = 1,279,135,146,155,160.50
  5. Step 5: Solve for x
    x = 1,279,135,146,155,160.50/54,507,121.44
  6. Step 6: Final answer
    x = 23,467,303.21

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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.