Home / 257,517,362.80-386,276,044.20-121,468,466.80

Finding the Fourth Proportional to 257,517,362.80, 386,276,044.20 and 121,468,466.80

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Solution

The fourth proportional to 257,517,362.80, 386,276,044.20 and 121,468,466.80 is: 182,202,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,517,362.80 : 386,276,044.20 = 121,468,466.80 : x
  2. Step 2: Convert to fraction form
    257,517,362.80/386,276,044.20 = 121,468,466.80/x
  3. Step 3: Cross multiply
    257,517,362.80x = 386,276,044.20 × 121,468,466.80
  4. Step 4: Simplify right side
    257,517,362.80x = 46,920,358,850,543,032
  5. Step 5: Solve for x
    x = 46,920,358,850,543,032/257,517,362.80
  6. Step 6: Final answer
    x = 182,202,700.20

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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.