Home / 121,629,529.10-167,851,460.50-69,417,517.52

Finding the Fourth Proportional to 121,629,529.10, 167,851,460.50 and 69,417,517.52

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Solution

The fourth proportional to 121,629,529.10, 167,851,460.50 and 69,417,517.52 is: 95,797,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,629,529.10 : 167,851,460.50 = 69,417,517.52 : x
  2. Step 2: Convert to fraction form
    121,629,529.10/167,851,460.50 = 69,417,517.52/x
  3. Step 3: Cross multiply
    121,629,529.10x = 167,851,460.50 × 69,417,517.52
  4. Step 4: Simplify right side
    121,629,529.10x = 11,651,831,700,016,338
  5. Step 5: Solve for x
    x = 11,651,831,700,016,338/121,629,529.10
  6. Step 6: Final answer
    x = 95,797,721.05

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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.