Home / 253,599,720.68-380,134,109.23-106,131,776.78

Finding the Fourth Proportional to 253,599,720.68, 380,134,109.23 and 106,131,776.78

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Solution

The fourth proportional to 253,599,720.68, 380,134,109.23 and 106,131,776.78 is: 159,086,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,599,720.68 : 380,134,109.23 = 106,131,776.78 : x
  2. Step 2: Convert to fraction form
    253,599,720.68/380,134,109.23 = 106,131,776.78/x
  3. Step 3: Cross multiply
    253,599,720.68x = 380,134,109.23 × 106,131,776.78
  4. Step 4: Simplify right side
    253,599,720.68x = 40,344,308,425,096,504
  5. Step 5: Solve for x
    x = 40,344,308,425,096,504/253,599,720.68
  6. Step 6: Final answer
    x = 159,086,564.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.