Home / 107,517,812.80-161,339,704.80-39,367,393.60

Finding the Fourth Proportional to 107,517,812.80, 161,339,704.80 and 39,367,393.60

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Solution

The fourth proportional to 107,517,812.80, 161,339,704.80 and 39,367,393.60 is: 59,074,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,517,812.80 : 161,339,704.80 = 39,367,393.60 : x
  2. Step 2: Convert to fraction form
    107,517,812.80/161,339,704.80 = 39,367,393.60/x
  3. Step 3: Cross multiply
    107,517,812.80x = 161,339,704.80 × 39,367,393.60
  4. Step 4: Simplify right side
    107,517,812.80x = 6,351,523,662,169,410
  5. Step 5: Solve for x
    x = 6,351,523,662,169,410/107,517,812.80
  6. Step 6: Final answer
    x = 59,074,152.43

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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.