Home / 121,451,832.20-167,607,525.30-66,446,429.96

Finding the Fourth Proportional to 121,451,832.20, 167,607,525.30 and 66,446,429.96

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Solution

The fourth proportional to 121,451,832.20, 167,607,525.30 and 66,446,429.96 is: 91,698,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,451,832.20 : 167,607,525.30 = 66,446,429.96 : x
  2. Step 2: Convert to fraction form
    121,451,832.20/167,607,525.30 = 66,446,429.96/x
  3. Step 3: Cross multiply
    121,451,832.20x = 167,607,525.30 × 66,446,429.96
  4. Step 4: Simplify right side
    121,451,832.20x = 11,136,921,690,615,378
  5. Step 5: Solve for x
    x = 11,136,921,690,615,378/121,451,832.20
  6. Step 6: Final answer
    x = 91,698,260.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.