Home / 326,629,997.60-489,934,498.80-108,290,415.20

Finding the Fourth Proportional to 326,629,997.60, 489,934,498.80 and 108,290,415.20

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Solution

The fourth proportional to 326,629,997.60, 489,934,498.80 and 108,290,415.20 is: 162,432,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,629,997.60 : 489,934,498.80 = 108,290,415.20 : x
  2. Step 2: Convert to fraction form
    326,629,997.60/489,934,498.80 = 108,290,415.20/x
  3. Step 3: Cross multiply
    326,629,997.60x = 489,934,498.80 × 108,290,415.20
  4. Step 4: Simplify right side
    326,629,997.60x = 53,055,210,295,855,904
  5. Step 5: Solve for x
    x = 53,055,210,295,855,904/326,629,997.60
  6. Step 6: Final answer
    x = 162,432,142.44

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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.