Home / 256,072,917.60-384,110,372.97-61,984,021.46

Finding the Fourth Proportional to 256,072,917.60, 384,110,372.97 and 61,984,021.46

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Solution

The fourth proportional to 256,072,917.60, 384,110,372.97 and 61,984,021.46 is: 92,976,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,072,917.60 : 384,110,372.97 = 61,984,021.46 : x
  2. Step 2: Convert to fraction form
    256,072,917.60/384,110,372.97 = 61,984,021.46/x
  3. Step 3: Cross multiply
    256,072,917.60x = 384,110,372.97 × 61,984,021.46
  4. Step 4: Simplify right side
    256,072,917.60x = 23,808,705,599,260,532
  5. Step 5: Solve for x
    x = 23,808,705,599,260,532/256,072,917.60
  6. Step 6: Final answer
    x = 92,976,273.41

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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.