Home / 159,664,657.20-220,337,539.20-86,325,799.20

Finding the Fourth Proportional to 159,664,657.20, 220,337,539.20 and 86,325,799.20

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Solution

The fourth proportional to 159,664,657.20, 220,337,539.20 and 86,325,799.20 is: 119,129,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,664,657.20 : 220,337,539.20 = 86,325,799.20 : x
  2. Step 2: Convert to fraction form
    159,664,657.20/220,337,539.20 = 86,325,799.20/x
  3. Step 3: Cross multiply
    159,664,657.20x = 220,337,539.20 × 86,325,799.20
  4. Step 4: Simplify right side
    159,664,657.20x = 19,020,814,165,201,328
  5. Step 5: Solve for x
    x = 19,020,814,165,201,328/159,664,657.20
  6. Step 6: Final answer
    x = 119,129,771.73

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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.