Home / 81,296,766.54-121,949,851.14-22,999,561.07

Finding the Fourth Proportional to 81,296,766.54, 121,949,851.14 and 22,999,561.07

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Solution

The fourth proportional to 81,296,766.54, 121,949,851.14 and 22,999,561.07 is: 34,500,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,296,766.54 : 121,949,851.14 = 22,999,561.07 : x
  2. Step 2: Convert to fraction form
    81,296,766.54/121,949,851.14 = 22,999,561.07/x
  3. Step 3: Cross multiply
    81,296,766.54x = 121,949,851.14 × 22,999,561.07
  4. Step 4: Simplify right side
    81,296,766.54x = 2,804,793,048,162,090
  5. Step 5: Solve for x
    x = 2,804,793,048,162,090/81,296,766.54
  6. Step 6: Final answer
    x = 34,500,671.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.