Home / 54,504,328.83-81,723,563.15-21,719,941.31

Finding the Fourth Proportional to 54,504,328.83, 81,723,563.15 and 21,719,941.31

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Solution

The fourth proportional to 54,504,328.83, 81,723,563.15 and 21,719,941.31 is: 32,566,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,504,328.83 : 81,723,563.15 = 21,719,941.31 : x
  2. Step 2: Convert to fraction form
    54,504,328.83/81,723,563.15 = 21,719,941.31/x
  3. Step 3: Cross multiply
    54,504,328.83x = 81,723,563.15 × 21,719,941.31
  4. Step 4: Simplify right side
    54,504,328.83x = 1,775,030,994,907,760.75
  5. Step 5: Solve for x
    x = 1,775,030,994,907,760.75/54,504,328.83
  6. Step 6: Final answer
    x = 32,566,789.34

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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.