Home / 300,131,127.36-450,115,695.36-106,016,988.24

Finding the Fourth Proportional to 300,131,127.36, 450,115,695.36 and 106,016,988.24

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Solution

The fourth proportional to 300,131,127.36, 450,115,695.36 and 106,016,988.24 is: 158,996,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,131,127.36 : 450,115,695.36 = 106,016,988.24 : x
  2. Step 2: Convert to fraction form
    300,131,127.36/450,115,695.36 = 106,016,988.24/x
  3. Step 3: Cross multiply
    300,131,127.36x = 450,115,695.36 × 106,016,988.24
  4. Step 4: Simplify right side
    300,131,127.36x = 47,719,910,381,620,544
  5. Step 5: Solve for x
    x = 47,719,910,381,620,544/300,131,127.36
  6. Step 6: Final answer
    x = 158,996,871.81

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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.