Home / 192,942,193.20-289,413,289.80-111,312,855.60

Finding the Fourth Proportional to 192,942,193.20, 289,413,289.80 and 111,312,855.60

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Solution

The fourth proportional to 192,942,193.20, 289,413,289.80 and 111,312,855.60 is: 166,969,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,942,193.20 : 289,413,289.80 = 111,312,855.60 : x
  2. Step 2: Convert to fraction form
    192,942,193.20/289,413,289.80 = 111,312,855.60/x
  3. Step 3: Cross multiply
    192,942,193.20x = 289,413,289.80 × 111,312,855.60
  4. Step 4: Simplify right side
    192,942,193.20x = 32,215,419,736,228,352
  5. Step 5: Solve for x
    x = 32,215,419,736,228,352/192,942,193.20
  6. Step 6: Final answer
    x = 166,969,283.40

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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.