Home / 268,722,978.62-403,148,435.28-86,970,156.62

Finding the Fourth Proportional to 268,722,978.62, 403,148,435.28 and 86,970,156.62

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Solution

The fourth proportional to 268,722,978.62, 403,148,435.28 and 86,970,156.62 is: 130,475,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,722,978.62 : 403,148,435.28 = 86,970,156.62 : x
  2. Step 2: Convert to fraction form
    268,722,978.62/403,148,435.28 = 86,970,156.62/x
  3. Step 3: Cross multiply
    268,722,978.62x = 403,148,435.28 × 86,970,156.62
  4. Step 4: Simplify right side
    268,722,978.62x = 35,061,882,557,409,532
  5. Step 5: Solve for x
    x = 35,061,882,557,409,532/268,722,978.62
  6. Step 6: Final answer
    x = 130,475,937.48

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