Home / 319,500,687.20-478,873,117.20-166,067,765.60

Finding the Fourth Proportional to 319,500,687.20, 478,873,117.20 and 166,067,765.60

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Solution

The fourth proportional to 319,500,687.20, 478,873,117.20 and 166,067,765.60 is: 248,905,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,500,687.20 : 478,873,117.20 = 166,067,765.60 : x
  2. Step 2: Convert to fraction form
    319,500,687.20/478,873,117.20 = 166,067,765.60/x
  3. Step 3: Cross multiply
    319,500,687.20x = 478,873,117.20 × 166,067,765.60
  4. Step 4: Simplify right side
    319,500,687.20x = 79,525,388,579,310,928
  5. Step 5: Solve for x
    x = 79,525,388,579,310,928/319,500,687.20
  6. Step 6: Final answer
    x = 248,905,219.19

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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.