Home / 193,103,653.80-289,991,403.90-102,404,389.80

Finding the Fourth Proportional to 193,103,653.80, 289,991,403.90 and 102,404,389.80

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Solution

The fourth proportional to 193,103,653.80, 289,991,403.90 and 102,404,389.80 is: 153,784,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,103,653.80 : 289,991,403.90 = 102,404,389.80 : x
  2. Step 2: Convert to fraction form
    193,103,653.80/289,991,403.90 = 102,404,389.80/x
  3. Step 3: Cross multiply
    193,103,653.80x = 289,991,403.90 × 102,404,389.80
  4. Step 4: Simplify right side
    193,103,653.80x = 29,696,392,763,624,836
  5. Step 5: Solve for x
    x = 29,696,392,763,624,836/193,103,653.80
  6. Step 6: Final answer
    x = 153,784,727.42

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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.