Home / 298,538,767.82-411,984,747.90-164,573,743.32

Finding the Fourth Proportional to 298,538,767.82, 411,984,747.90 and 164,573,743.32

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Solution

The fourth proportional to 298,538,767.82, 411,984,747.90 and 164,573,743.32 is: 227,112,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,538,767.82 : 411,984,747.90 = 164,573,743.32 : x
  2. Step 2: Convert to fraction form
    298,538,767.82/411,984,747.90 = 164,573,743.32/x
  3. Step 3: Cross multiply
    298,538,767.82x = 411,984,747.90 × 164,573,743.32
  4. Step 4: Simplify right side
    298,538,767.82x = 67,801,872,151,027,736
  5. Step 5: Solve for x
    x = 67,801,872,151,027,736/298,538,767.82
  6. Step 6: Final answer
    x = 227,112,453.93

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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.