Home / 109,948,274.88-164,778,945.12-61,424,168.64

Finding the Fourth Proportional to 109,948,274.88, 164,778,945.12 and 61,424,168.64

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Solution

The fourth proportional to 109,948,274.88, 164,778,945.12 and 61,424,168.64 is: 92,056,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948,274.88 : 164,778,945.12 = 61,424,168.64 : x
  2. Step 2: Convert to fraction form
    109,948,274.88/164,778,945.12 = 61,424,168.64/x
  3. Step 3: Cross multiply
    109,948,274.88x = 164,778,945.12 × 61,424,168.64
  4. Step 4: Simplify right side
    109,948,274.88x = 10,121,409,713,372,186
  5. Step 5: Solve for x
    x = 10,121,409,713,372,186/109,948,274.88
  6. Step 6: Final answer
    x = 92,056,102.97

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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.