Home / 107,820,735.60-161,620,878.60-53,149,234.80

Finding the Fourth Proportional to 107,820,735.60, 161,620,878.60 and 53,149,234.80

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Solution

The fourth proportional to 107,820,735.60, 161,620,878.60 and 53,149,234.80 is: 79,669,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,820,735.60 : 161,620,878.60 = 53,149,234.80 : x
  2. Step 2: Convert to fraction form
    107,820,735.60/161,620,878.60 = 53,149,234.80/x
  3. Step 3: Cross multiply
    107,820,735.60x = 161,620,878.60 × 53,149,234.80
  4. Step 4: Simplify right side
    107,820,735.60x = 8,590,026,025,293,694
  5. Step 5: Solve for x
    x = 8,590,026,025,293,694/107,820,735.60
  6. Step 6: Final answer
    x = 79,669,517.90

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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.