Home / 227,531,805.12-313,991,655.66-123,107,585.22

Finding the Fourth Proportional to 227,531,805.12, 313,991,655.66 and 123,107,585.22

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Solution

The fourth proportional to 227,531,805.12, 313,991,655.66 and 123,107,585.22 is: 169,887,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,531,805.12 : 313,991,655.66 = 123,107,585.22 : x
  2. Step 2: Convert to fraction form
    227,531,805.12/313,991,655.66 = 123,107,585.22/x
  3. Step 3: Cross multiply
    227,531,805.12x = 313,991,655.66 × 123,107,585.22
  4. Step 4: Simplify right side
    227,531,805.12x = 38,654,754,507,532,352
  5. Step 5: Solve for x
    x = 38,654,754,507,532,352/227,531,805.12
  6. Step 6: Final answer
    x = 169,887,258.12

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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.