Home / 319,500,688.20-478,873,118.70-166,067,766.60

Finding the Fourth Proportional to 319,500,688.20, 478,873,118.70 and 166,067,766.60

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Solution

The fourth proportional to 319,500,688.20, 478,873,118.70 and 166,067,766.60 is: 248,905,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,500,688.20 : 478,873,118.70 = 166,067,766.60 : x
  2. Step 2: Convert to fraction form
    319,500,688.20/478,873,118.70 = 166,067,766.60/x
  3. Step 3: Cross multiply
    319,500,688.20x = 478,873,118.70 × 166,067,766.60
  4. Step 4: Simplify right side
    319,500,688.20x = 79,525,389,307,285,696
  5. Step 5: Solve for x
    x = 79,525,389,307,285,696/319,500,688.20
  6. Step 6: Final answer
    x = 248,905,220.69

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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.