Home / 109,728,467.80-164,592,701.70-99,650,771.80

Finding the Fourth Proportional to 109,728,467.80, 164,592,701.70 and 99,650,771.80

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Solution

The fourth proportional to 109,728,467.80, 164,592,701.70 and 99,650,771.80 is: 149,476,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,728,467.80 : 164,592,701.70 = 99,650,771.80 : x
  2. Step 2: Convert to fraction form
    109,728,467.80/164,592,701.70 = 99,650,771.80/x
  3. Step 3: Cross multiply
    109,728,467.80x = 164,592,701.70 × 99,650,771.80
  4. Step 4: Simplify right side
    109,728,467.80x = 16,401,789,757,052,170
  5. Step 5: Solve for x
    x = 16,401,789,757,052,170/109,728,467.80
  6. Step 6: Final answer
    x = 149,476,157.70

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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.