Home / 308,405,579.31-425,595,728.88-176,245,062.39

Finding the Fourth Proportional to 308,405,579.31, 425,595,728.88 and 176,245,062.39

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Solution

The fourth proportional to 308,405,579.31, 425,595,728.88 and 176,245,062.39 is: 243,215,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,405,579.31 : 425,595,728.88 = 176,245,062.39 : x
  2. Step 2: Convert to fraction form
    308,405,579.31/425,595,728.88 = 176,245,062.39/x
  3. Step 3: Cross multiply
    308,405,579.31x = 425,595,728.88 × 176,245,062.39
  4. Step 4: Simplify right side
    308,405,579.31x = 75,009,145,789,373,120
  5. Step 5: Solve for x
    x = 75,009,145,789,373,120/308,405,579.31
  6. Step 6: Final answer
    x = 243,215,917.03

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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.