Home / 309,150,861.20-463,726,291.80-104,678,936.45

Finding the Fourth Proportional to 309,150,861.20, 463,726,291.80 and 104,678,936.45

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Solution

The fourth proportional to 309,150,861.20, 463,726,291.80 and 104,678,936.45 is: 157,018,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,150,861.20 : 463,726,291.80 = 104,678,936.45 : x
  2. Step 2: Convert to fraction form
    309,150,861.20/463,726,291.80 = 104,678,936.45/x
  3. Step 3: Cross multiply
    309,150,861.20x = 463,726,291.80 × 104,678,936.45
  4. Step 4: Simplify right side
    309,150,861.20x = 48,542,375,029,526,360
  5. Step 5: Solve for x
    x = 48,542,375,029,526,360/309,150,861.20
  6. Step 6: Final answer
    x = 157,018,404.68

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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.