Home / 85,378,404.78-117,822,238.74-46,220,181.93

Finding the Fourth Proportional to 85,378,404.78, 117,822,238.74 and 46,220,181.93

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Solution

The fourth proportional to 85,378,404.78, 117,822,238.74 and 46,220,181.93 is: 63,783,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,378,404.78 : 117,822,238.74 = 46,220,181.93 : x
  2. Step 2: Convert to fraction form
    85,378,404.78/117,822,238.74 = 46,220,181.93/x
  3. Step 3: Cross multiply
    85,378,404.78x = 117,822,238.74 × 46,220,181.93
  4. Step 4: Simplify right side
    85,378,404.78x = 5,445,765,309,962,694
  5. Step 5: Solve for x
    x = 5,445,765,309,962,694/85,378,404.78
  6. Step 6: Final answer
    x = 63,783,872.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.