Home / 275,480,377.21-380,145,480.38-151,721,054.34

Finding the Fourth Proportional to 275,480,377.21, 380,145,480.38 and 151,721,054.34

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Solution

The fourth proportional to 275,480,377.21, 380,145,480.38 and 151,721,054.34 is: 209,365,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,480,377.21 : 380,145,480.38 = 151,721,054.34 : x
  2. Step 2: Convert to fraction form
    275,480,377.21/380,145,480.38 = 151,721,054.34/x
  3. Step 3: Cross multiply
    275,480,377.21x = 380,145,480.38 × 151,721,054.34
  4. Step 4: Simplify right side
    275,480,377.21x = 57,676,073,084,224,192
  5. Step 5: Solve for x
    x = 57,676,073,084,224,192/275,480,377.21
  6. Step 6: Final answer
    x = 209,365,449.79

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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.