Home / 192,485,919.60-288,728,879.40-185,683,474.80

Finding the Fourth Proportional to 192,485,919.60, 288,728,879.40 and 185,683,474.80

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Solution

The fourth proportional to 192,485,919.60, 288,728,879.40 and 185,683,474.80 is: 278,525,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,485,919.60 : 288,728,879.40 = 185,683,474.80 : x
  2. Step 2: Convert to fraction form
    192,485,919.60/288,728,879.40 = 185,683,474.80/x
  3. Step 3: Cross multiply
    192,485,919.60x = 288,728,879.40 × 185,683,474.80
  4. Step 4: Simplify right side
    192,485,919.60x = 53,612,181,602,102,136
  5. Step 5: Solve for x
    x = 53,612,181,602,102,136/192,485,919.60
  6. Step 6: Final answer
    x = 278,525,212.20

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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.