Home / 326,431,317.60-489,646,976.40-108,115,354.80

Finding the Fourth Proportional to 326,431,317.60, 489,646,976.40 and 108,115,354.80

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Solution

The fourth proportional to 326,431,317.60, 489,646,976.40 and 108,115,354.80 is: 162,173,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,431,317.60 : 489,646,976.40 = 108,115,354.80 : x
  2. Step 2: Convert to fraction form
    326,431,317.60/489,646,976.40 = 108,115,354.80/x
  3. Step 3: Cross multiply
    326,431,317.60x = 489,646,976.40 × 108,115,354.80
  4. Step 4: Simplify right side
    326,431,317.60x = 52,938,356,580,233,224
  5. Step 5: Solve for x
    x = 52,938,356,580,233,224/326,431,317.60
  6. Step 6: Final answer
    x = 162,173,032.20

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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.