Home / 189,969,137.40-284,953,706.10-179,387,556.60

Finding the Fourth Proportional to 189,969,137.40, 284,953,706.10 and 179,387,556.60

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Solution

The fourth proportional to 189,969,137.40, 284,953,706.10 and 179,387,556.60 is: 269,081,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,969,137.40 : 284,953,706.10 = 179,387,556.60 : x
  2. Step 2: Convert to fraction form
    189,969,137.40/284,953,706.10 = 179,387,556.60/x
  3. Step 3: Cross multiply
    189,969,137.40x = 284,953,706.10 × 179,387,556.60
  4. Step 4: Simplify right side
    189,969,137.40x = 51,117,149,081,393,520
  5. Step 5: Solve for x
    x = 51,117,149,081,393,520/189,969,137.40
  6. Step 6: Final answer
    x = 269,081,334.90

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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.