Home / 159,503,176.80-220,108,942.38-87,978,892.75

Finding the Fourth Proportional to 159,503,176.80, 220,108,942.38 and 87,978,892.75

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Solution

The fourth proportional to 159,503,176.80, 220,108,942.38 and 87,978,892.75 is: 121,407,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503,176.80 : 220,108,942.38 = 87,978,892.75 : x
  2. Step 2: Convert to fraction form
    159,503,176.80/220,108,942.38 = 87,978,892.75/x
  3. Step 3: Cross multiply
    159,503,176.80x = 220,108,942.38 × 87,978,892.75
  4. Step 4: Simplify right side
    159,503,176.80x = 19,364,941,034,965,948
  5. Step 5: Solve for x
    x = 19,364,941,034,965,948/159,503,176.80
  6. Step 6: Final answer
    x = 121,407,870.51

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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.