Home / 117,906,187.36-162,711,169.50-67,666,399.76

Finding the Fourth Proportional to 117,906,187.36, 162,711,169.50 and 67,666,399.76

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Solution

The fourth proportional to 117,906,187.36, 162,711,169.50 and 67,666,399.76 is: 93,379,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,906,187.36 : 162,711,169.50 = 67,666,399.76 : x
  2. Step 2: Convert to fraction form
    117,906,187.36/162,711,169.50 = 67,666,399.76/x
  3. Step 3: Cross multiply
    117,906,187.36x = 162,711,169.50 × 67,666,399.76
  4. Step 4: Simplify right side
    117,906,187.36x = 11,010,079,040,804,120
  5. Step 5: Solve for x
    x = 11,010,079,040,804,120/117,906,187.36
  6. Step 6: Final answer
    x = 93,379,993.77

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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.