Home / 54,789,412.38-75,588,352.80-31,269,255.96

Finding the Fourth Proportional to 54,789,412.38, 75,588,352.80 and 31,269,255.96

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Solution

The fourth proportional to 54,789,412.38, 75,588,352.80 and 31,269,255.96 is: 43,139,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789,412.38 : 75,588,352.80 = 31,269,255.96 : x
  2. Step 2: Convert to fraction form
    54,789,412.38/75,588,352.80 = 31,269,255.96/x
  3. Step 3: Cross multiply
    54,789,412.38x = 75,588,352.80 × 31,269,255.96
  4. Step 4: Simplify right side
    54,789,412.38x = 2,363,591,551,297,982.50
  5. Step 5: Solve for x
    x = 2,363,591,551,297,982.50/54,789,412.38
  6. Step 6: Final answer
    x = 43,139,567.46

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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.