Home / 109,815,519.81-164,552,979.33-63,642,866.79

Finding the Fourth Proportional to 109,815,519.81, 164,552,979.33 and 63,642,866.79

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Solution

The fourth proportional to 109,815,519.81, 164,552,979.33 and 63,642,866.79 is: 95,365,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815,519.81 : 164,552,979.33 = 63,642,866.79 : x
  2. Step 2: Convert to fraction form
    109,815,519.81/164,552,979.33 = 63,642,866.79/x
  3. Step 3: Cross multiply
    109,815,519.81x = 164,552,979.33 × 63,642,866.79
  4. Step 4: Simplify right side
    109,815,519.81x = 10,472,623,343,396,814
  5. Step 5: Solve for x
    x = 10,472,623,343,396,814/109,815,519.81
  6. Step 6: Final answer
    x = 95,365,603.71

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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.