Home / 250,056,201.69-345,072,991.02-138,546,635.78

Finding the Fourth Proportional to 250,056,201.69, 345,072,991.02 and 138,546,635.78

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Solution

The fourth proportional to 250,056,201.69, 345,072,991.02 and 138,546,635.78 is: 191,191,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,056,201.69 : 345,072,991.02 = 138,546,635.78 : x
  2. Step 2: Convert to fraction form
    250,056,201.69/345,072,991.02 = 138,546,635.78/x
  3. Step 3: Cross multiply
    250,056,201.69x = 345,072,991.02 × 138,546,635.78
  4. Step 4: Simplify right side
    250,056,201.69x = 47,808,702,002,637,784
  5. Step 5: Solve for x
    x = 47,808,702,002,637,784/250,056,201.69
  6. Step 6: Final answer
    x = 191,191,826.80

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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.