Home / 200,863,900.20-301,221,200.70-79,670,274.60

Finding the Fourth Proportional to 200,863,900.20, 301,221,200.70 and 79,670,274.60

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Solution

The fourth proportional to 200,863,900.20, 301,221,200.70 and 79,670,274.60 is: 119,475,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,863,900.20 : 301,221,200.70 = 79,670,274.60 : x
  2. Step 2: Convert to fraction form
    200,863,900.20/301,221,200.70 = 79,670,274.60/x
  3. Step 3: Cross multiply
    200,863,900.20x = 301,221,200.70 × 79,670,274.60
  4. Step 4: Simplify right side
    200,863,900.20x = 23,998,375,775,110,708
  5. Step 5: Solve for x
    x = 23,998,375,775,110,708/200,863,900.20
  6. Step 6: Final answer
    x = 119,475,803.02

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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.