Home / 54,605,093.36-81,907,864.36-13,664,420.96

Finding the Fourth Proportional to 54,605,093.36, 81,907,864.36 and 13,664,420.96

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Solution

The fourth proportional to 54,605,093.36, 81,907,864.36 and 13,664,420.96 is: 20,496,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605,093.36 : 81,907,864.36 = 13,664,420.96 : x
  2. Step 2: Convert to fraction form
    54,605,093.36/81,907,864.36 = 13,664,420.96/x
  3. Step 3: Cross multiply
    54,605,093.36x = 81,907,864.36 × 13,664,420.96
  4. Step 4: Simplify right side
    54,605,093.36x = 1,119,223,538,549,621
  5. Step 5: Solve for x
    x = 1,119,223,538,549,621/54,605,093.36
  6. Step 6: Final answer
    x = 20,496,687.57

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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.