Home / 72,061,629.42-108,047,032.26-61,135,636.62

Finding the Fourth Proportional to 72,061,629.42, 108,047,032.26 and 61,135,636.62

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Solution

The fourth proportional to 72,061,629.42, 108,047,032.26 and 61,135,636.62 is: 91,664,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,061,629.42 : 108,047,032.26 = 61,135,636.62 : x
  2. Step 2: Convert to fraction form
    72,061,629.42/108,047,032.26 = 61,135,636.62/x
  3. Step 3: Cross multiply
    72,061,629.42x = 108,047,032.26 × 61,135,636.62
  4. Step 4: Simplify right side
    72,061,629.42x = 6,605,524,102,116,777
  5. Step 5: Solve for x
    x = 6,605,524,102,116,777/72,061,629.42
  6. Step 6: Final answer
    x = 91,664,928.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.