Home / 109,449,616.40-164,066,136.60-51,840,630.80

Finding the Fourth Proportional to 109,449,616.40, 164,066,136.60 and 51,840,630.80

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Solution

The fourth proportional to 109,449,616.40, 164,066,136.60 and 51,840,630.80 is: 77,709,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,449,616.40 : 164,066,136.60 = 51,840,630.80 : x
  2. Step 2: Convert to fraction form
    109,449,616.40/164,066,136.60 = 51,840,630.80/x
  3. Step 3: Cross multiply
    109,449,616.40x = 164,066,136.60 × 51,840,630.80
  4. Step 4: Simplify right side
    109,449,616.40x = 8,505,292,014,262,966
  5. Step 5: Solve for x
    x = 8,505,292,014,262,966/109,449,616.40
  6. Step 6: Final answer
    x = 77,709,655.77

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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.