Home / 355,868,993.80-533,883,981.90-192,103,235.29

Finding the Fourth Proportional to 355,868,993.80, 533,883,981.90 and 192,103,235.29

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Solution

The fourth proportional to 355,868,993.80, 533,883,981.90 and 192,103,235.29 is: 288,198,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,868,993.80 : 533,883,981.90 = 192,103,235.29 : x
  2. Step 2: Convert to fraction form
    355,868,993.80/533,883,981.90 = 192,103,235.29/x
  3. Step 3: Cross multiply
    355,868,993.80x = 533,883,981.90 × 192,103,235.29
  4. Step 4: Simplify right side
    355,868,993.80x = 102,560,840,192,497,792
  5. Step 5: Solve for x
    x = 102,560,840,192,497,792/355,868,993.80
  6. Step 6: Final answer
    x = 288,198,303.25

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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.