Home / 87,442,941.40-131,164,412.10-41,993,776.60

Finding the Fourth Proportional to 87,442,941.40, 131,164,412.10 and 41,993,776.60

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Solution

The fourth proportional to 87,442,941.40, 131,164,412.10 and 41,993,776.60 is: 62,990,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,941.40 : 131,164,412.10 = 41,993,776.60 : x
  2. Step 2: Convert to fraction form
    87,442,941.40/131,164,412.10 = 41,993,776.60/x
  3. Step 3: Cross multiply
    87,442,941.40x = 131,164,412.10 × 41,993,776.60
  4. Step 4: Simplify right side
    87,442,941.40x = 5,508,089,019,597,737
  5. Step 5: Solve for x
    x = 5,508,089,019,597,737/87,442,941.40
  6. Step 6: Final answer
    x = 62,990,664.90

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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.