Home / 262,277,999.70-393,416,999.55-80,501,558.10

Finding the Fourth Proportional to 262,277,999.70, 393,416,999.55 and 80,501,558.10

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Solution

The fourth proportional to 262,277,999.70, 393,416,999.55 and 80,501,558.10 is: 120,752,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,277,999.70 : 393,416,999.55 = 80,501,558.10 : x
  2. Step 2: Convert to fraction form
    262,277,999.70/393,416,999.55 = 80,501,558.10/x
  3. Step 3: Cross multiply
    262,277,999.70x = 393,416,999.55 × 80,501,558.10
  4. Step 4: Simplify right side
    262,277,999.70x = 31,670,681,446,801,996
  5. Step 5: Solve for x
    x = 31,670,681,446,801,996/262,277,999.70
  6. Step 6: Final answer
    x = 120,752,337.15

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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.