Home / 135,916,327.24-187,558,481.10-79,406,311

Finding the Fourth Proportional to 135,916,327.24, 187,558,481.10 and 79,406,311

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Solution

The fourth proportional to 135,916,327.24, 187,558,481.10 and 79,406,311 is: 109,577,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,916,327.24 : 187,558,481.10 = 79,406,311 : x
  2. Step 2: Convert to fraction form
    135,916,327.24/187,558,481.10 = 79,406,311/x
  3. Step 3: Cross multiply
    135,916,327.24x = 187,558,481.10 × 79,406,311
  4. Step 4: Simplify right side
    135,916,327.24x = 14,893,327,080,914,222
  5. Step 5: Solve for x
    x = 14,893,327,080,914,222/135,916,327.24
  6. Step 6: Final answer
    x = 109,577,174.31

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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.