Home / 109,449,618.40-164,066,139.60-51,840,632.80

Finding the Fourth Proportional to 109,449,618.40, 164,066,139.60 and 51,840,632.80

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Solution

The fourth proportional to 109,449,618.40, 164,066,139.60 and 51,840,632.80 is: 77,709,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,449,618.40 : 164,066,139.60 = 51,840,632.80 : x
  2. Step 2: Convert to fraction form
    109,449,618.40/164,066,139.60 = 51,840,632.80/x
  3. Step 3: Cross multiply
    109,449,618.40x = 164,066,139.60 × 51,840,632.80
  4. Step 4: Simplify right side
    109,449,618.40x = 8,505,292,497,917,138
  5. Step 5: Solve for x
    x = 8,505,292,497,917,138/109,449,618.40
  6. Step 6: Final answer
    x = 77,709,658.77

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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.