Home / 171,571,931.28-257,374,736.64-48,755,916

Finding the Fourth Proportional to 171,571,931.28, 257,374,736.64 and 48,755,916

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Solution

The fourth proportional to 171,571,931.28, 257,374,736.64 and 48,755,916 is: 73,138,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,571,931.28 : 257,374,736.64 = 48,755,916 : x
  2. Step 2: Convert to fraction form
    171,571,931.28/257,374,736.64 = 48,755,916/x
  3. Step 3: Cross multiply
    171,571,931.28x = 257,374,736.64 × 48,755,916
  4. Step 4: Simplify right side
    171,571,931.28x = 12,548,541,040,141,962
  5. Step 5: Solve for x
    x = 12,548,541,040,141,962/171,571,931.28
  6. Step 6: Final answer
    x = 73,138,659.37

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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.