Home / 214,008,516.72-320,467,822.80-141,003,968.16

Finding the Fourth Proportional to 214,008,516.72, 320,467,822.80 and 141,003,968.16

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Solution

The fourth proportional to 214,008,516.72, 320,467,822.80 and 141,003,968.16 is: 211,146,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,008,516.72 : 320,467,822.80 = 141,003,968.16 : x
  2. Step 2: Convert to fraction form
    214,008,516.72/320,467,822.80 = 141,003,968.16/x
  3. Step 3: Cross multiply
    214,008,516.72x = 320,467,822.80 × 141,003,968.16
  4. Step 4: Simplify right side
    214,008,516.72x = 45,187,234,682,395,720
  5. Step 5: Solve for x
    x = 45,187,234,682,395,720/214,008,516.72
  6. Step 6: Final answer
    x = 211,146,899.08

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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.