Home / 136,907,310.86-188,932,252.68-74,183,363.54

Finding the Fourth Proportional to 136,907,310.86, 188,932,252.68 and 74,183,363.54

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Solution

The fourth proportional to 136,907,310.86, 188,932,252.68 and 74,183,363.54 is: 102,373,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,907,310.86 : 188,932,252.68 = 74,183,363.54 : x
  2. Step 2: Convert to fraction form
    136,907,310.86/188,932,252.68 = 74,183,363.54/x
  3. Step 3: Cross multiply
    136,907,310.86x = 188,932,252.68 × 74,183,363.54
  4. Step 4: Simplify right side
    136,907,310.86x = 14,015,629,984,991,582
  5. Step 5: Solve for x
    x = 14,015,629,984,991,582/136,907,310.86
  6. Step 6: Final answer
    x = 102,373,130.38

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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.