Home / 57,632,987.18-79,533,284.53-31,171,370.56

Finding the Fourth Proportional to 57,632,987.18, 79,533,284.53 and 31,171,370.56

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Solution

The fourth proportional to 57,632,987.18, 79,533,284.53 and 31,171,370.56 is: 43,016,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632,987.18 : 79,533,284.53 = 31,171,370.56 : x
  2. Step 2: Convert to fraction form
    57,632,987.18/79,533,284.53 = 31,171,370.56/x
  3. Step 3: Cross multiply
    57,632,987.18x = 79,533,284.53 × 31,171,370.56
  4. Step 4: Simplify right side
    57,632,987.18x = 2,479,161,483,540,879
  5. Step 5: Solve for x
    x = 2,479,161,483,540,879/57,632,987.18
  6. Step 6: Final answer
    x = 43,016,362.76

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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.