Home / 199,302,215.70-298,953,323.55-191,649,465.30

Finding the Fourth Proportional to 199,302,215.70, 298,953,323.55 and 191,649,465.30

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Solution

The fourth proportional to 199,302,215.70, 298,953,323.55 and 191,649,465.30 is: 287,474,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,215.70 : 298,953,323.55 = 191,649,465.30 : x
  2. Step 2: Convert to fraction form
    199,302,215.70/298,953,323.55 = 191,649,465.30/x
  3. Step 3: Cross multiply
    199,302,215.70x = 298,953,323.55 × 191,649,465.30
  4. Step 4: Simplify right side
    199,302,215.70x = 57,294,244,608,015,400
  5. Step 5: Solve for x
    x = 57,294,244,608,015,400/199,302,215.70
  6. Step 6: Final answer
    x = 287,474,197.95

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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.