Home / 84,511,931.58-126,814,998.33-45,649,600.38

Finding the Fourth Proportional to 84,511,931.58, 126,814,998.33 and 45,649,600.38

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Solution

The fourth proportional to 84,511,931.58, 126,814,998.33 and 45,649,600.38 is: 68,499,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,511,931.58 : 126,814,998.33 = 45,649,600.38 : x
  2. Step 2: Convert to fraction form
    84,511,931.58/126,814,998.33 = 45,649,600.38/x
  3. Step 3: Cross multiply
    84,511,931.58x = 126,814,998.33 × 45,649,600.38
  4. Step 4: Simplify right side
    84,511,931.58x = 5,789,053,995,954,868
  5. Step 5: Solve for x
    x = 5,789,053,995,954,868/84,511,931.58
  6. Step 6: Final answer
    x = 68,499,842.42

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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.