Home / 326,169,473.36-489,255,216.44-80,526,136.40

Finding the Fourth Proportional to 326,169,473.36, 489,255,216.44 and 80,526,136.40

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Solution

The fourth proportional to 326,169,473.36, 489,255,216.44 and 80,526,136.40 is: 120,789,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,169,473.36 : 489,255,216.44 = 80,526,136.40 : x
  2. Step 2: Convert to fraction form
    326,169,473.36/489,255,216.44 = 80,526,136.40/x
  3. Step 3: Cross multiply
    326,169,473.36x = 489,255,216.44 × 80,526,136.40
  4. Step 4: Simplify right side
    326,169,473.36x = 39,397,832,293,458,968
  5. Step 5: Solve for x
    x = 39,397,832,293,458,968/326,169,473.36
  6. Step 6: Final answer
    x = 120,789,453.06

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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.