Home / 121,245,857.20-181,930,216.20-53,089,217.20

Finding the Fourth Proportional to 121,245,857.20, 181,930,216.20 and 53,089,217.20

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Solution

The fourth proportional to 121,245,857.20, 181,930,216.20 and 53,089,217.20 is: 79,660,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,245,857.20 : 181,930,216.20 = 53,089,217.20 : x
  2. Step 2: Convert to fraction form
    121,245,857.20/181,930,216.20 = 53,089,217.20/x
  3. Step 3: Cross multiply
    121,245,857.20x = 181,930,216.20 × 53,089,217.20
  4. Step 4: Simplify right side
    121,245,857.20x = 9,658,532,763,084,758
  5. Step 5: Solve for x
    x = 9,658,532,763,084,758/121,245,857.20
  6. Step 6: Final answer
    x = 79,660,723.97

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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.