Home / 57,302,512.60-85,764,812.10-40,296,400.60

Finding the Fourth Proportional to 57,302,512.60, 85,764,812.10 and 40,296,400.60

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Solution

The fourth proportional to 57,302,512.60, 85,764,812.10 and 40,296,400.60 is: 60,311,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,302,512.60 : 85,764,812.10 = 40,296,400.60 : x
  2. Step 2: Convert to fraction form
    57,302,512.60/85,764,812.10 = 40,296,400.60/x
  3. Step 3: Cross multiply
    57,302,512.60x = 85,764,812.10 × 40,296,400.60
  4. Step 4: Simplify right side
    57,302,512.60x = 3,456,013,225,765,327
  5. Step 5: Solve for x
    x = 3,456,013,225,765,327/57,302,512.60
  6. Step 6: Final answer
    x = 60,311,722.28

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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.