Home / 54,161,570.78-74,742,967.68-30,957,195.97

Finding the Fourth Proportional to 54,161,570.78, 74,742,967.68 and 30,957,195.97

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Solution

The fourth proportional to 54,161,570.78, 74,742,967.68 and 30,957,195.97 is: 42,720,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161,570.78 : 74,742,967.68 = 30,957,195.97 : x
  2. Step 2: Convert to fraction form
    54,161,570.78/74,742,967.68 = 30,957,195.97/x
  3. Step 3: Cross multiply
    54,161,570.78x = 74,742,967.68 × 30,957,195.97
  4. Step 4: Simplify right side
    54,161,570.78x = 2,313,832,697,708,394
  5. Step 5: Solve for x
    x = 2,313,832,697,708,394/54,161,570.78
  6. Step 6: Final answer
    x = 42,720,930.44

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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.