Home / 54,511,186.34-81,757,071.03-21,719,006.94

Finding the Fourth Proportional to 54,511,186.34, 81,757,071.03 and 21,719,006.94

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Solution

The fourth proportional to 54,511,186.34, 81,757,071.03 and 21,719,006.94 is: 32,574,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511,186.34 : 81,757,071.03 = 21,719,006.94 : x
  2. Step 2: Convert to fraction form
    54,511,186.34/81,757,071.03 = 21,719,006.94/x
  3. Step 3: Cross multiply
    54,511,186.34x = 81,757,071.03 × 21,719,006.94
  4. Step 4: Simplify right side
    54,511,186.34x = 1,775,682,393,482,678.25
  5. Step 5: Solve for x
    x = 1,775,682,393,482,678.25/54,511,186.34
  6. Step 6: Final answer
    x = 32,574,642.25

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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.