Home / 200,394,401.40-300,591,602.10-71,015,089.95

Finding the Fourth Proportional to 200,394,401.40, 300,591,602.10 and 71,015,089.95

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Solution

The fourth proportional to 200,394,401.40, 300,591,602.10 and 71,015,089.95 is: 106,522,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,394,401.40 : 300,591,602.10 = 71,015,089.95 : x
  2. Step 2: Convert to fraction form
    200,394,401.40/300,591,602.10 = 71,015,089.95/x
  3. Step 3: Cross multiply
    200,394,401.40x = 300,591,602.10 × 71,015,089.95
  4. Step 4: Simplify right side
    200,394,401.40x = 21,346,539,661,346,112
  5. Step 5: Solve for x
    x = 21,346,539,661,346,112/200,394,401.40
  6. Step 6: Final answer
    x = 106,522,634.93

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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.