Home / 159,431,410.80-239,147,116.20-145,826,521.20

Finding the Fourth Proportional to 159,431,410.80, 239,147,116.20 and 145,826,521.20

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Solution

The fourth proportional to 159,431,410.80, 239,147,116.20 and 145,826,521.20 is: 218,739,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,431,410.80 : 239,147,116.20 = 145,826,521.20 : x
  2. Step 2: Convert to fraction form
    159,431,410.80/239,147,116.20 = 145,826,521.20/x
  3. Step 3: Cross multiply
    159,431,410.80x = 239,147,116.20 × 145,826,521.20
  4. Step 4: Simplify right side
    159,431,410.80x = 34,873,992,010,458,160
  5. Step 5: Solve for x
    x = 34,873,992,010,458,160/159,431,410.80
  6. Step 6: Final answer
    x = 218,739,781.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.