Home / 91,892,006.70-137,838,010.05-71,086,091.55

Finding the Fourth Proportional to 91,892,006.70, 137,838,010.05 and 71,086,091.55

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Solution

The fourth proportional to 91,892,006.70, 137,838,010.05 and 71,086,091.55 is: 106,629,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,892,006.70 : 137,838,010.05 = 71,086,091.55 : x
  2. Step 2: Convert to fraction form
    91,892,006.70/137,838,010.05 = 71,086,091.55/x
  3. Step 3: Cross multiply
    91,892,006.70x = 137,838,010.05 × 71,086,091.55
  4. Step 4: Simplify right side
    91,892,006.70x = 9,798,365,401,484,120
  5. Step 5: Solve for x
    x = 9,798,365,401,484,120/91,892,006.70
  6. Step 6: Final answer
    x = 106,629,137.33

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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.