Home / 61,694,905.19-85,089,325.80-54,236,620.31

Finding the Fourth Proportional to 61,694,905.19, 85,089,325.80 and 54,236,620.31

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Solution

The fourth proportional to 61,694,905.19, 85,089,325.80 and 54,236,620.31 is: 74,802,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,694,905.19 : 85,089,325.80 = 54,236,620.31 : x
  2. Step 2: Convert to fraction form
    61,694,905.19/85,089,325.80 = 54,236,620.31/x
  3. Step 3: Cross multiply
    61,694,905.19x = 85,089,325.80 × 54,236,620.31
  4. Step 4: Simplify right side
    61,694,905.19x = 4,614,957,456,195,742
  5. Step 5: Solve for x
    x = 4,614,957,456,195,742/61,694,905.19
  6. Step 6: Final answer
    x = 74,802,894.04

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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.