Home / 66,928,924.69-100,397,998.98-28,028,209.34

Finding the Fourth Proportional to 66,928,924.69, 100,397,998.98 and 28,028,209.34

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Solution

The fourth proportional to 66,928,924.69, 100,397,998.98 and 28,028,209.34 is: 42,044,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928,924.69 : 100,397,998.98 = 28,028,209.34 : x
  2. Step 2: Convert to fraction form
    66,928,924.69/100,397,998.98 = 28,028,209.34/x
  3. Step 3: Cross multiply
    66,928,924.69x = 100,397,998.98 × 28,028,209.34
  4. Step 4: Simplify right side
    66,928,924.69x = 2,813,976,132,588,405
  5. Step 5: Solve for x
    x = 2,813,976,132,588,405/66,928,924.69
  6. Step 6: Final answer
    x = 42,044,245.38

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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.