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Finding the Fourth Proportional to 273,992,403.07, 411,049,056.02 and 79,919,007.22

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Solution

The fourth proportional to 273,992,403.07, 411,049,056.02 and 79,919,007.22 is: 119,896,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,992,403.07 : 411,049,056.02 = 79,919,007.22 : x
  2. Step 2: Convert to fraction form
    273,992,403.07/411,049,056.02 = 79,919,007.22/x
  3. Step 3: Cross multiply
    273,992,403.07x = 411,049,056.02 × 79,919,007.22
  4. Step 4: Simplify right side
    273,992,403.07x = 32,850,632,475,436,968
  5. Step 5: Solve for x
    x = 32,850,632,475,436,968/273,992,403.07
  6. Step 6: Final answer
    x = 119,896,143.50

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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.