Home / 54,111,899.72-81,167,877.26-13,171,345.83

Finding the Fourth Proportional to 54,111,899.72, 81,167,877.26 and 13,171,345.83

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Solution

The fourth proportional to 54,111,899.72, 81,167,877.26 and 13,171,345.83 is: 19,757,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111,899.72 : 81,167,877.26 = 13,171,345.83 : x
  2. Step 2: Convert to fraction form
    54,111,899.72/81,167,877.26 = 13,171,345.83/x
  3. Step 3: Cross multiply
    54,111,899.72x = 81,167,877.26 × 13,171,345.83
  4. Step 4: Simplify right side
    54,111,899.72x = 1,069,090,181,890,314
  5. Step 5: Solve for x
    x = 1,069,090,181,890,314/54,111,899.72
  6. Step 6: Final answer
    x = 19,757,025.49

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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.