Home / 121,245,859.20-181,930,219.20-53,089,219.20

Finding the Fourth Proportional to 121,245,859.20, 181,930,219.20 and 53,089,219.20

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Solution

The fourth proportional to 121,245,859.20, 181,930,219.20 and 53,089,219.20 is: 79,660,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,245,859.20 : 181,930,219.20 = 53,089,219.20 : x
  2. Step 2: Convert to fraction form
    121,245,859.20/181,930,219.20 = 53,089,219.20/x
  3. Step 3: Cross multiply
    121,245,859.20x = 181,930,219.20 × 53,089,219.20
  4. Step 4: Simplify right side
    121,245,859.20x = 9,658,533,286,212,848
  5. Step 5: Solve for x
    x = 9,658,533,286,212,848/121,245,859.20
  6. Step 6: Final answer
    x = 79,660,726.97

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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.