Home / 291,420,336.78-437,082,619.59-104,635,616.58

Finding the Fourth Proportional to 291,420,336.78, 437,082,619.59 and 104,635,616.58

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Solution

The fourth proportional to 291,420,336.78, 437,082,619.59 and 104,635,616.58 is: 156,936,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,420,336.78 : 437,082,619.59 = 104,635,616.58 : x
  2. Step 2: Convert to fraction form
    291,420,336.78/437,082,619.59 = 104,635,616.58/x
  3. Step 3: Cross multiply
    291,420,336.78x = 437,082,619.59 × 104,635,616.58
  4. Step 4: Simplify right side
    291,420,336.78x = 45,734,409,397,201,232
  5. Step 5: Solve for x
    x = 45,734,409,397,201,232/291,420,336.78
  6. Step 6: Final answer
    x = 156,936,231.36

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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.