Home / 228,280,573.68-315,023,218.86-138,940,224

Finding the Fourth Proportional to 228,280,573.68, 315,023,218.86 and 138,940,224

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Solution

The fourth proportional to 228,280,573.68, 315,023,218.86 and 138,940,224 is: 191,735,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,280,573.68 : 315,023,218.86 = 138,940,224 : x
  2. Step 2: Convert to fraction form
    228,280,573.68/315,023,218.86 = 138,940,224/x
  3. Step 3: Cross multiply
    228,280,573.68x = 315,023,218.86 × 138,940,224
  4. Step 4: Simplify right side
    228,280,573.68x = 43,769,396,593,609,424
  5. Step 5: Solve for x
    x = 43,769,396,593,609,424/228,280,573.68
  6. Step 6: Final answer
    x = 191,735,091.11

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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.