Home / 220,231,806.09-303,927,691.52-121,120,224.72

Finding the Fourth Proportional to 220,231,806.09, 303,927,691.52 and 121,120,224.72

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Solution

The fourth proportional to 220,231,806.09, 303,927,691.52 and 121,120,224.72 is: 167,150,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,231,806.09 : 303,927,691.52 = 121,120,224.72 : x
  2. Step 2: Convert to fraction form
    220,231,806.09/303,927,691.52 = 121,120,224.72/x
  3. Step 3: Cross multiply
    220,231,806.09x = 303,927,691.52 × 121,120,224.72
  4. Step 4: Simplify right side
    220,231,806.09x = 36,811,790,294,696,312
  5. Step 5: Solve for x
    x = 36,811,790,294,696,312/220,231,806.09
  6. Step 6: Final answer
    x = 167,150,199.37

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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.