Home / 268,883,727.20-403,325,590.80-215,136,015.20

Finding the Fourth Proportional to 268,883,727.20, 403,325,590.80 and 215,136,015.20

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Solution

The fourth proportional to 268,883,727.20, 403,325,590.80 and 215,136,015.20 is: 322,704,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,883,727.20 : 403,325,590.80 = 215,136,015.20 : x
  2. Step 2: Convert to fraction form
    268,883,727.20/403,325,590.80 = 215,136,015.20/x
  3. Step 3: Cross multiply
    268,883,727.20x = 403,325,590.80 × 215,136,015.20
  4. Step 4: Simplify right side
    268,883,727.20x = 86,769,860,432,897,776
  5. Step 5: Solve for x
    x = 86,769,860,432,897,776/268,883,727.20
  6. Step 6: Final answer
    x = 322,704,022.80

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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.