Home / 109,449,611.40-164,066,129.10-51,840,625.80

Finding the Fourth Proportional to 109,449,611.40, 164,066,129.10 and 51,840,625.80

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Solution

The fourth proportional to 109,449,611.40, 164,066,129.10 and 51,840,625.80 is: 77,709,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,449,611.40 : 164,066,129.10 = 51,840,625.80 : x
  2. Step 2: Convert to fraction form
    109,449,611.40/164,066,129.10 = 51,840,625.80/x
  3. Step 3: Cross multiply
    109,449,611.40x = 164,066,129.10 × 51,840,625.80
  4. Step 4: Simplify right side
    109,449,611.40x = 8,505,290,805,127,590
  5. Step 5: Solve for x
    x = 8,505,290,805,127,590/109,449,611.40
  6. Step 6: Final answer
    x = 77,709,648.27

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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.