Home / 192,456,904.80-288,685,357.20-54,282,244.80

Finding the Fourth Proportional to 192,456,904.80, 288,685,357.20 and 54,282,244.80

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Solution

The fourth proportional to 192,456,904.80, 288,685,357.20 and 54,282,244.80 is: 81,423,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,904.80 : 288,685,357.20 = 54,282,244.80 : x
  2. Step 2: Convert to fraction form
    192,456,904.80/288,685,357.20 = 54,282,244.80/x
  3. Step 3: Cross multiply
    192,456,904.80x = 288,685,357.20 × 54,282,244.80
  4. Step 4: Simplify right side
    192,456,904.80x = 15,670,489,229,705,842
  5. Step 5: Solve for x
    x = 15,670,489,229,705,842/192,456,904.80
  6. Step 6: Final answer
    x = 81,423,367.20

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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.