Home / 121,004,065.44-166,999,727.70-68,800,923

Finding the Fourth Proportional to 121,004,065.44, 166,999,727.70 and 68,800,923

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Solution

The fourth proportional to 121,004,065.44, 166,999,727.70 and 68,800,923 is: 94,953,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,004,065.44 : 166,999,727.70 = 68,800,923 : x
  2. Step 2: Convert to fraction form
    121,004,065.44/166,999,727.70 = 68,800,923/x
  3. Step 3: Cross multiply
    121,004,065.44x = 166,999,727.70 × 68,800,923
  4. Step 4: Simplify right side
    121,004,065.44x = 11,489,735,406,508,666
  5. Step 5: Solve for x
    x = 11,489,735,406,508,666/121,004,065.44
  6. Step 6: Final answer
    x = 94,953,300.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.