Home / 225,621,131.54-311,282,734.80-136,279,693.15

Finding the Fourth Proportional to 225,621,131.54, 311,282,734.80 and 136,279,693.15

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Solution

The fourth proportional to 225,621,131.54, 311,282,734.80 and 136,279,693.15 is: 188,021,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,621,131.54 : 311,282,734.80 = 136,279,693.15 : x
  2. Step 2: Convert to fraction form
    225,621,131.54/311,282,734.80 = 136,279,693.15/x
  3. Step 3: Cross multiply
    225,621,131.54x = 311,282,734.80 × 136,279,693.15
  4. Step 4: Simplify right side
    225,621,131.54x = 42,421,515,581,169,672
  5. Step 5: Solve for x
    x = 42,421,515,581,169,672/225,621,131.54
  6. Step 6: Final answer
    x = 188,021,021.31

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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.