Home / 252,740,246.40-379,236,340.80-143,649,187.20

Finding the Fourth Proportional to 252,740,246.40, 379,236,340.80 and 143,649,187.20

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Solution

The fourth proportional to 252,740,246.40, 379,236,340.80 and 143,649,187.20 is: 215,545,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,740,246.40 : 379,236,340.80 = 143,649,187.20 : x
  2. Step 2: Convert to fraction form
    252,740,246.40/379,236,340.80 = 143,649,187.20/x
  3. Step 3: Cross multiply
    252,740,246.40x = 379,236,340.80 × 143,649,187.20
  4. Step 4: Simplify right side
    252,740,246.40x = 54,476,992,112,622,192
  5. Step 5: Solve for x
    x = 54,476,992,112,622,192/252,740,246.40
  6. Step 6: Final answer
    x = 215,545,378.66

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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.