Home / 205,232,487.16-283,224,512.37-112,407,016.30

Finding the Fourth Proportional to 205,232,487.16, 283,224,512.37 and 112,407,016.30

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Solution

The fourth proportional to 205,232,487.16, 283,224,512.37 and 112,407,016.30 is: 155,123,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,232,487.16 : 283,224,512.37 = 112,407,016.30 : x
  2. Step 2: Convert to fraction form
    205,232,487.16/283,224,512.37 = 112,407,016.30/x
  3. Step 3: Cross multiply
    205,232,487.16x = 283,224,512.37 × 112,407,016.30
  4. Step 4: Simplify right side
    205,232,487.16x = 31,836,422,378,534,140
  5. Step 5: Solve for x
    x = 31,836,422,378,534,140/205,232,487.16
  6. Step 6: Final answer
    x = 155,123,698.10

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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.