Home / 159,720,925-220,414,876.86-86,382,067

Finding the Fourth Proportional to 159,720,925, 220,414,876.86 and 86,382,067

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Solution

The fourth proportional to 159,720,925, 220,414,876.86 and 86,382,067 is: 119,207,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,720,925 : 220,414,876.86 = 86,382,067 : x
  2. Step 2: Convert to fraction form
    159,720,925/220,414,876.86 = 86,382,067/x
  3. Step 3: Cross multiply
    159,720,925x = 220,414,876.86 × 86,382,067
  4. Step 4: Simplify right side
    159,720,925x = 19,039,892,660,717,272
  5. Step 5: Solve for x
    x = 19,039,892,660,717,272/159,720,925
  6. Step 6: Final answer
    x = 119,207,252.65

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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.