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Finding the Fourth Proportional to 62,809,898.94, 86,664,847.86 and 36,699,366.69

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Solution

The fourth proportional to 62,809,898.94, 86,664,847.86 and 36,699,366.69 is: 50,637,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,809,898.94 : 86,664,847.86 = 36,699,366.69 : x
  2. Step 2: Convert to fraction form
    62,809,898.94/86,664,847.86 = 36,699,366.69/x
  3. Step 3: Cross multiply
    62,809,898.94x = 86,664,847.86 × 36,699,366.69
  4. Step 4: Simplify right side
    62,809,898.94x = 3,180,545,030,747,201.50
  5. Step 5: Solve for x
    x = 3,180,545,030,747,201.50/62,809,898.94
  6. Step 6: Final answer
    x = 50,637,639.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.