Home / 281,682,187.93-388,272,276.13-222,046,231.64

Finding the Fourth Proportional to 281,682,187.93, 388,272,276.13 and 222,046,231.64

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Solution

The fourth proportional to 281,682,187.93, 388,272,276.13 and 222,046,231.64 is: 306,069,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,682,187.93 : 388,272,276.13 = 222,046,231.64 : x
  2. Step 2: Convert to fraction form
    281,682,187.93/388,272,276.13 = 222,046,231.64/x
  3. Step 3: Cross multiply
    281,682,187.93x = 388,272,276.13 × 222,046,231.64
  4. Step 4: Simplify right side
    281,682,187.93x = 86,214,395,763,841,792
  5. Step 5: Solve for x
    x = 86,214,395,763,841,792/281,682,187.93
  6. Step 6: Final answer
    x = 306,069,746.19

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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.