Home / 54,161,575.85-74,742,974.67-30,957,201.03

Finding the Fourth Proportional to 54,161,575.85, 74,742,974.67 and 30,957,201.03

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Solution

The fourth proportional to 54,161,575.85, 74,742,974.67 and 30,957,201.03 is: 42,720,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161,575.85 : 74,742,974.67 = 30,957,201.03 : x
  2. Step 2: Convert to fraction form
    54,161,575.85/74,742,974.67 = 30,957,201.03/x
  3. Step 3: Cross multiply
    54,161,575.85x = 74,742,974.67 × 30,957,201.03
  4. Step 4: Simplify right side
    54,161,575.85x = 2,313,833,292,835,763.50
  5. Step 5: Solve for x
    x = 2,313,833,292,835,763.50/54,161,575.85
  6. Step 6: Final answer
    x = 42,720,937.43

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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.