Home / 168,809,783.72-253,179,245.56-47,612,892.20

Finding the Fourth Proportional to 168,809,783.72, 253,179,245.56 and 47,612,892.20

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Solution

The fourth proportional to 168,809,783.72, 253,179,245.56 and 47,612,892.20 is: 71,409,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,809,783.72 : 253,179,245.56 = 47,612,892.20 : x
  2. Step 2: Convert to fraction form
    168,809,783.72/253,179,245.56 = 47,612,892.20/x
  3. Step 3: Cross multiply
    168,809,783.72x = 253,179,245.56 × 47,612,892.20
  4. Step 4: Simplify right side
    168,809,783.72x = 12,054,596,126,125,610
  5. Step 5: Solve for x
    x = 12,054,596,126,125,610/168,809,783.72
  6. Step 6: Final answer
    x = 71,409,345.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.