Home / 227,531,809.37-313,991,661.53-123,107,589.47

Finding the Fourth Proportional to 227,531,809.37, 313,991,661.53 and 123,107,589.47

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Solution

The fourth proportional to 227,531,809.37, 313,991,661.53 and 123,107,589.47 is: 169,887,263.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,531,809.37 : 313,991,661.53 = 123,107,589.47 : x
  2. Step 2: Convert to fraction form
    227,531,809.37/313,991,661.53 = 123,107,589.47/x
  3. Step 3: Cross multiply
    227,531,809.37x = 313,991,661.53 × 123,107,589.47
  4. Step 4: Simplify right side
    227,531,809.37x = 38,654,756,564,022,888
  5. Step 5: Solve for x
    x = 38,654,756,564,022,888/227,531,809.37
  6. Step 6: Final answer
    x = 169,887,263.99

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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.