Home / 120,470,616.75-166,263,623.01-71,578,044.75

Finding the Fourth Proportional to 120,470,616.75, 166,263,623.01 and 71,578,044.75

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Solution

The fourth proportional to 120,470,616.75, 166,263,623.01 and 71,578,044.75 is: 98,786,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,470,616.75 : 166,263,623.01 = 71,578,044.75 : x
  2. Step 2: Convert to fraction form
    120,470,616.75/166,263,623.01 = 71,578,044.75/x
  3. Step 3: Cross multiply
    120,470,616.75x = 166,263,623.01 × 71,578,044.75
  4. Step 4: Simplify right side
    120,470,616.75x = 11,900,825,048,106,910
  5. Step 5: Solve for x
    x = 11,900,825,048,106,910/120,470,616.75
  6. Step 6: Final answer
    x = 98,786,122.04

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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.