Home / 147,258,052.20-220,887,078.30-50,205,115.80

Finding the Fourth Proportional to 147,258,052.20, 220,887,078.30 and 50,205,115.80

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Solution

The fourth proportional to 147,258,052.20, 220,887,078.30 and 50,205,115.80 is: 75,307,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258,052.20 : 220,887,078.30 = 50,205,115.80 : x
  2. Step 2: Convert to fraction form
    147,258,052.20/220,887,078.30 = 50,205,115.80/x
  3. Step 3: Cross multiply
    147,258,052.20x = 220,887,078.30 × 50,205,115.80
  4. Step 4: Simplify right side
    147,258,052.20x = 11,089,661,344,775,168
  5. Step 5: Solve for x
    x = 11,089,661,344,775,168/147,258,052.20
  6. Step 6: Final answer
    x = 75,307,673.70

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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.