Home / 121,629,519.37-167,851,447.08-69,417,507.83

Finding the Fourth Proportional to 121,629,519.37, 167,851,447.08 and 69,417,507.83

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Solution

The fourth proportional to 121,629,519.37, 167,851,447.08 and 69,417,507.83 is: 95,797,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,629,519.37 : 167,851,447.08 = 69,417,507.83 : x
  2. Step 2: Convert to fraction form
    121,629,519.37/167,851,447.08 = 69,417,507.83/x
  3. Step 3: Cross multiply
    121,629,519.37x = 167,851,447.08 × 69,417,507.83
  4. Step 4: Simplify right side
    121,629,519.37x = 11,651,829,142,372,360
  5. Step 5: Solve for x
    x = 11,651,829,142,372,360/121,629,519.37
  6. Step 6: Final answer
    x = 95,797,707.69

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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.