Home / 257,517,284.80-386,275,927.20-121,468,388.80

Finding the Fourth Proportional to 257,517,284.80, 386,275,927.20 and 121,468,388.80

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Solution

The fourth proportional to 257,517,284.80, 386,275,927.20 and 121,468,388.80 is: 182,202,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,517,284.80 : 386,275,927.20 = 121,468,388.80 : x
  2. Step 2: Convert to fraction form
    257,517,284.80/386,275,927.20 = 121,468,388.80/x
  3. Step 3: Cross multiply
    257,517,284.80x = 386,275,927.20 × 121,468,388.80
  4. Step 4: Simplify right side
    257,517,284.80x = 46,920,314,509,210,096
  5. Step 5: Solve for x
    x = 46,920,314,509,210,096/257,517,284.80
  6. Step 6: Final answer
    x = 182,202,583.20

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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.