Home / 220,191,658.69-330,069,321.54-103,397,942.43

Finding the Fourth Proportional to 220,191,658.69, 330,069,321.54 and 103,397,942.43

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Solution

The fourth proportional to 220,191,658.69, 330,069,321.54 and 103,397,942.43 is: 154,994,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,191,658.69 : 330,069,321.54 = 103,397,942.43 : x
  2. Step 2: Convert to fraction form
    220,191,658.69/330,069,321.54 = 103,397,942.43/x
  3. Step 3: Cross multiply
    220,191,658.69x = 330,069,321.54 × 103,397,942.43
  4. Step 4: Simplify right side
    220,191,658.69x = 34,128,488,706,502,084
  5. Step 5: Solve for x
    x = 34,128,488,706,502,084/220,191,658.69
  6. Step 6: Final answer
    x = 154,994,466.68

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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.