Home / 39,519,190.48-54,511,176.72-31,697,470.72

Finding the Fourth Proportional to 39,519,190.48, 54,511,176.72 and 31,697,470.72

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Solution

The fourth proportional to 39,519,190.48, 54,511,176.72 and 31,697,470.72 is: 43,722,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519,190.48 : 54,511,176.72 = 31,697,470.72 : x
  2. Step 2: Convert to fraction form
    39,519,190.48/54,511,176.72 = 31,697,470.72/x
  3. Step 3: Cross multiply
    39,519,190.48x = 54,511,176.72 × 31,697,470.72
  4. Step 4: Simplify right side
    39,519,190.48x = 1,727,866,427,994,945.50
  5. Step 5: Solve for x
    x = 1,727,866,427,994,945.50/39,519,190.48
  6. Step 6: Final answer
    x = 43,722,212.10

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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.