Home / 121,629,528.10-167,851,459.11-69,417,516.52

Finding the Fourth Proportional to 121,629,528.10, 167,851,459.11 and 69,417,516.52

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Solution

The fourth proportional to 121,629,528.10, 167,851,459.11 and 69,417,516.52 is: 95,797,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,629,528.10 : 167,851,459.11 = 69,417,516.52 : x
  2. Step 2: Convert to fraction form
    121,629,528.10/167,851,459.11 = 69,417,516.52/x
  3. Step 3: Cross multiply
    121,629,528.10x = 167,851,459.11 × 69,417,516.52
  4. Step 4: Simplify right side
    121,629,528.10x = 11,651,831,435,674,530
  5. Step 5: Solve for x
    x = 11,651,831,435,674,530/121,629,528.10
  6. Step 6: Final answer
    x = 95,797,719.66

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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.