Home / 169,433,880.80-254,150,821.20-117,777,815.60

Finding the Fourth Proportional to 169,433,880.80, 254,150,821.20 and 117,777,815.60

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Solution

The fourth proportional to 169,433,880.80, 254,150,821.20 and 117,777,815.60 is: 176,666,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,433,880.80 : 254,150,821.20 = 117,777,815.60 : x
  2. Step 2: Convert to fraction form
    169,433,880.80/254,150,821.20 = 117,777,815.60/x
  3. Step 3: Cross multiply
    169,433,880.80x = 254,150,821.20 × 117,777,815.60
  4. Step 4: Simplify right side
    169,433,880.80x = 29,933,328,553,882,168
  5. Step 5: Solve for x
    x = 29,933,328,553,882,168/169,433,880.80
  6. Step 6: Final answer
    x = 176,666,723.40

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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.