Home / 227,579,429.30-314,060,570.13-123,157,505.78

Finding the Fourth Proportional to 227,579,429.30, 314,060,570.13 and 123,157,505.78

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Solution

The fourth proportional to 227,579,429.30, 314,060,570.13 and 123,157,505.78 is: 169,957,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,579,429.30 : 314,060,570.13 = 123,157,505.78 : x
  2. Step 2: Convert to fraction form
    227,579,429.30/314,060,570.13 = 123,157,505.78/x
  3. Step 3: Cross multiply
    227,579,429.30x = 314,060,570.13 × 123,157,505.78
  4. Step 4: Simplify right side
    227,579,429.30x = 38,678,916,481,055,568
  5. Step 5: Solve for x
    x = 38,678,916,481,055,568/227,579,429.30
  6. Step 6: Final answer
    x = 169,957,876.25

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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.