Home / 216,650,268.10-298,952,146.97-121,285,998.84

Finding the Fourth Proportional to 216,650,268.10, 298,952,146.97 and 121,285,998.84

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Solution

The fourth proportional to 216,650,268.10, 298,952,146.97 and 121,285,998.84 is: 167,360,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650,268.10 : 298,952,146.97 = 121,285,998.84 : x
  2. Step 2: Convert to fraction form
    216,650,268.10/298,952,146.97 = 121,285,998.84/x
  3. Step 3: Cross multiply
    216,650,268.10x = 298,952,146.97 × 121,285,998.84
  4. Step 4: Simplify right side
    216,650,268.10x = 36,258,709,749,467,624
  5. Step 5: Solve for x
    x = 36,258,709,749,467,624/216,650,268.10
  6. Step 6: Final answer
    x = 167,360,557.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.