Home / 54,789,407.89-75,588,346.59-31,269,251.47

Finding the Fourth Proportional to 54,789,407.89, 75,588,346.59 and 31,269,251.47

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Solution

The fourth proportional to 54,789,407.89, 75,588,346.59 and 31,269,251.47 is: 43,139,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789,407.89 : 75,588,346.59 = 31,269,251.47 : x
  2. Step 2: Convert to fraction form
    54,789,407.89/75,588,346.59 = 31,269,251.47/x
  3. Step 3: Cross multiply
    54,789,407.89x = 75,588,346.59 × 31,269,251.47
  4. Step 4: Simplify right side
    54,789,407.89x = 2,363,591,017,435,049.50
  5. Step 5: Solve for x
    x = 2,363,591,017,435,049.50/54,789,407.89
  6. Step 6: Final answer
    x = 43,139,561.25

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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.