Home / 200,034,795.78-299,663,951.31-147,416,906.70

Finding the Fourth Proportional to 200,034,795.78, 299,663,951.31 and 147,416,906.70

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Solution

The fourth proportional to 200,034,795.78, 299,663,951.31 and 147,416,906.70 is: 220,839,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,034,795.78 : 299,663,951.31 = 147,416,906.70 : x
  2. Step 2: Convert to fraction form
    200,034,795.78/299,663,951.31 = 147,416,906.70/x
  3. Step 3: Cross multiply
    200,034,795.78x = 299,663,951.31 × 147,416,906.70
  4. Step 4: Simplify right side
    200,034,795.78x = 44,175,532,751,619,608
  5. Step 5: Solve for x
    x = 44,175,532,751,619,608/200,034,795.78
  6. Step 6: Final answer
    x = 220,839,242.39

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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.