Home / 204,012,028.40-306,018,042.60-122,382,690.80

Finding the Fourth Proportional to 204,012,028.40, 306,018,042.60 and 122,382,690.80

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Solution

The fourth proportional to 204,012,028.40, 306,018,042.60 and 122,382,690.80 is: 183,574,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,012,028.40 : 306,018,042.60 = 122,382,690.80 : x
  2. Step 2: Convert to fraction form
    204,012,028.40/306,018,042.60 = 122,382,690.80/x
  3. Step 3: Cross multiply
    204,012,028.40x = 306,018,042.60 × 122,382,690.80
  4. Step 4: Simplify right side
    204,012,028.40x = 37,451,311,486,737,032
  5. Step 5: Solve for x
    x = 37,451,311,486,737,032/204,012,028.40
  6. Step 6: Final answer
    x = 183,574,036.20

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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.