Home / 315,128,371.76-434,949,712.48-184,790,170.16

Finding the Fourth Proportional to 315,128,371.76, 434,949,712.48 and 184,790,170.16

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Solution

The fourth proportional to 315,128,371.76, 434,949,712.48 and 184,790,170.16 is: 255,052,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,128,371.76 : 434,949,712.48 = 184,790,170.16 : x
  2. Step 2: Convert to fraction form
    315,128,371.76/434,949,712.48 = 184,790,170.16/x
  3. Step 3: Cross multiply
    315,128,371.76x = 434,949,712.48 × 184,790,170.16
  4. Step 4: Simplify right side
    315,128,371.76x = 80,374,431,380,222,272
  5. Step 5: Solve for x
    x = 80,374,431,380,222,272/315,128,371.76
  6. Step 6: Final answer
    x = 255,052,983.43

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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.