Home / 258,114,421.00-356,193,416.21-140,640,716.55

Finding the Fourth Proportional to 258,114,421.00, 356,193,416.21 and 140,640,716.55

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Solution

The fourth proportional to 258,114,421.00, 356,193,416.21 and 140,640,716.55 is: 194,081,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,421.00 : 356,193,416.21 = 140,640,716.55 : x
  2. Step 2: Convert to fraction form
    258,114,421.00/356,193,416.21 = 140,640,716.55/x
  3. Step 3: Cross multiply
    258,114,421.00x = 356,193,416.21 × 140,640,716.55
  4. Step 4: Simplify right side
    258,114,421.00x = 50,095,297,285,463,584
  5. Step 5: Solve for x
    x = 50,095,297,285,463,584/258,114,421.00
  6. Step 6: Final answer
    x = 194,081,745.19

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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.