Home / 226,379,549.86-312,405,090.17-127,259,429.47

Finding the Fourth Proportional to 226,379,549.86, 312,405,090.17 and 127,259,429.47

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Solution

The fourth proportional to 226,379,549.86, 312,405,090.17 and 127,259,429.47 is: 175,618,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,379,549.86 : 312,405,090.17 = 127,259,429.47 : x
  2. Step 2: Convert to fraction form
    226,379,549.86/312,405,090.17 = 127,259,429.47/x
  3. Step 3: Cross multiply
    226,379,549.86x = 312,405,090.17 × 127,259,429.47
  4. Step 4: Simplify right side
    226,379,549.86x = 39,756,493,537,140,800
  5. Step 5: Solve for x
    x = 39,756,493,537,140,800/226,379,549.86
  6. Step 6: Final answer
    x = 175,618,749.85

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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.