Home / 66,286,383.82-99,429,582.93-20,228,494.30

Finding the Fourth Proportional to 66,286,383.82, 99,429,582.93 and 20,228,494.30

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Solution

The fourth proportional to 66,286,383.82, 99,429,582.93 and 20,228,494.30 is: 30,342,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,286,383.82 : 99,429,582.93 = 20,228,494.30 : x
  2. Step 2: Convert to fraction form
    66,286,383.82/99,429,582.93 = 20,228,494.30/x
  3. Step 3: Cross multiply
    66,286,383.82x = 99,429,582.93 × 20,228,494.30
  4. Step 4: Simplify right side
    66,286,383.82x = 2,011,310,751,550,882.50
  5. Step 5: Solve for x
    x = 2,011,310,751,550,882.50/66,286,383.82
  6. Step 6: Final answer
    x = 30,342,743.65

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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.