Home / 199,302,209.20-298,953,313.80-191,649,458.80

Finding the Fourth Proportional to 199,302,209.20, 298,953,313.80 and 191,649,458.80

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Solution

The fourth proportional to 199,302,209.20, 298,953,313.80 and 191,649,458.80 is: 287,474,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,209.20 : 298,953,313.80 = 191,649,458.80 : x
  2. Step 2: Convert to fraction form
    199,302,209.20/298,953,313.80 = 191,649,458.80/x
  3. Step 3: Cross multiply
    199,302,209.20x = 298,953,313.80 × 191,649,458.80
  4. Step 4: Simplify right side
    199,302,209.20x = 57,294,240,796,236,576
  5. Step 5: Solve for x
    x = 57,294,240,796,236,576/199,302,209.20
  6. Step 6: Final answer
    x = 287,474,188.20

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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.