Home / 54,511,192.56-81,757,080.34-21,719,013.16

Finding the Fourth Proportional to 54,511,192.56, 81,757,080.34 and 21,719,013.16

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Solution

The fourth proportional to 54,511,192.56, 81,757,080.34 and 21,719,013.16 is: 32,574,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511,192.56 : 81,757,080.34 = 21,719,013.16 : x
  2. Step 2: Convert to fraction form
    54,511,192.56/81,757,080.34 = 21,719,013.16/x
  3. Step 3: Cross multiply
    54,511,192.56x = 81,757,080.34 × 21,719,013.16
  4. Step 4: Simplify right side
    54,511,192.56x = 1,775,683,103,827,637.25
  5. Step 5: Solve for x
    x = 1,775,683,103,827,637.25/54,511,192.56
  6. Step 6: Final answer
    x = 32,574,651.56

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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.