Home / 274,519,350.04-378,835,326.26-149,070,425.34

Finding the Fourth Proportional to 274,519,350.04, 378,835,326.26 and 149,070,425.34

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Solution

The fourth proportional to 274,519,350.04, 378,835,326.26 and 149,070,425.34 is: 205,716,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,519,350.04 : 378,835,326.26 = 149,070,425.34 : x
  2. Step 2: Convert to fraction form
    274,519,350.04/378,835,326.26 = 149,070,425.34/x
  3. Step 3: Cross multiply
    274,519,350.04x = 378,835,326.26 × 149,070,425.34
  4. Step 4: Simplify right side
    274,519,350.04x = 56,473,143,219,395,872
  5. Step 5: Solve for x
    x = 56,473,143,219,395,872/274,519,350.04
  6. Step 6: Final answer
    x = 205,716,439.34

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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.