Home / 61,291,405.20-84,582,716.31-33,790,317.60

Finding the Fourth Proportional to 61,291,405.20, 84,582,716.31 and 33,790,317.60

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Solution

The fourth proportional to 61,291,405.20, 84,582,716.31 and 33,790,317.60 is: 46,630,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,291,405.20 : 84,582,716.31 = 33,790,317.60 : x
  2. Step 2: Convert to fraction form
    61,291,405.20/84,582,716.31 = 33,790,317.60/x
  3. Step 3: Cross multiply
    61,291,405.20x = 84,582,716.31 × 33,790,317.60
  4. Step 4: Simplify right side
    61,291,405.20x = 2,858,076,847,585,600.50
  5. Step 5: Solve for x
    x = 2,858,076,847,585,600.50/61,291,405.20
  6. Step 6: Final answer
    x = 46,630,956.47

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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.