Home / 54,191,911.85-81,269,645.49-19,641,081.08

Finding the Fourth Proportional to 54,191,911.85, 81,269,645.49 and 19,641,081.08

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Solution

The fourth proportional to 54,191,911.85, 81,269,645.49 and 19,641,081.08 is: 29,455,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191,911.85 : 81,269,645.49 = 19,641,081.08 : x
  2. Step 2: Convert to fraction form
    54,191,911.85/81,269,645.49 = 19,641,081.08/x
  3. Step 3: Cross multiply
    54,191,911.85x = 81,269,645.49 × 19,641,081.08
  4. Step 4: Simplify right side
    54,191,911.85x = 1,596,223,696,615,120.25
  5. Step 5: Solve for x
    x = 1,596,223,696,615,120.25/54,191,911.85
  6. Step 6: Final answer
    x = 29,455,017.22

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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.