Home / 75,722,022.80-113,583,034.20-48,512,243.60

Finding the Fourth Proportional to 75,722,022.80, 113,583,034.20 and 48,512,243.60

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Solution

The fourth proportional to 75,722,022.80, 113,583,034.20 and 48,512,243.60 is: 72,768,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,722,022.80 : 113,583,034.20 = 48,512,243.60 : x
  2. Step 2: Convert to fraction form
    75,722,022.80/113,583,034.20 = 48,512,243.60/x
  3. Step 3: Cross multiply
    75,722,022.80x = 113,583,034.20 × 48,512,243.60
  4. Step 4: Simplify right side
    75,722,022.80x = 5,510,167,823,937,531
  5. Step 5: Solve for x
    x = 5,510,167,823,937,531/75,722,022.80
  6. Step 6: Final answer
    x = 72,768,365.40

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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.