Home / 256,104,924.56-384,126,330.38-71,887,212.77

Finding the Fourth Proportional to 256,104,924.56, 384,126,330.38 and 71,887,212.77

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Solution

The fourth proportional to 256,104,924.56, 384,126,330.38 and 71,887,212.77 is: 107,822,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,104,924.56 : 384,126,330.38 = 71,887,212.77 : x
  2. Step 2: Convert to fraction form
    256,104,924.56/384,126,330.38 = 71,887,212.77/x
  3. Step 3: Cross multiply
    256,104,924.56x = 384,126,330.38 × 71,887,212.77
  4. Step 4: Simplify right side
    256,104,924.56x = 27,613,771,242,467,016
  5. Step 5: Solve for x
    x = 27,613,771,242,467,016/256,104,924.56
  6. Step 6: Final answer
    x = 107,822,101.78

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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.