Home / 326,351,328.48-489,526,992.72-107,942,986.80

Finding the Fourth Proportional to 326,351,328.48, 489,526,992.72 and 107,942,986.80

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Solution

The fourth proportional to 326,351,328.48, 489,526,992.72 and 107,942,986.80 is: 161,914,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,351,328.48 : 489,526,992.72 = 107,942,986.80 : x
  2. Step 2: Convert to fraction form
    326,351,328.48/489,526,992.72 = 107,942,986.80/x
  3. Step 3: Cross multiply
    326,351,328.48x = 489,526,992.72 × 107,942,986.80
  4. Step 4: Simplify right side
    326,351,328.48x = 52,841,005,713,418,656
  5. Step 5: Solve for x
    x = 52,841,005,713,418,656/326,351,328.48
  6. Step 6: Final answer
    x = 161,914,480.20

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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.