Home / 268,181,429.45-402,272,144.18-231,830,865.05

Finding the Fourth Proportional to 268,181,429.45, 402,272,144.18 and 231,830,865.05

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Solution

The fourth proportional to 268,181,429.45, 402,272,144.18 and 231,830,865.05 is: 347,746,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,181,429.45 : 402,272,144.18 = 231,830,865.05 : x
  2. Step 2: Convert to fraction form
    268,181,429.45/402,272,144.18 = 231,830,865.05/x
  3. Step 3: Cross multiply
    268,181,429.45x = 402,272,144.18 × 231,830,865.05
  4. Step 4: Simplify right side
    268,181,429.45x = 93,259,099,169,608,576
  5. Step 5: Solve for x
    x = 93,259,099,169,608,576/268,181,429.45
  6. Step 6: Final answer
    x = 347,746,297.58

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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.