Home / 204,012,803.79-281,431,600.33-129,545,957.07

Finding the Fourth Proportional to 204,012,803.79, 281,431,600.33 and 129,545,957.07

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Solution

The fourth proportional to 204,012,803.79, 281,431,600.33 and 129,545,957.07 is: 178,706,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,012,803.79 : 281,431,600.33 = 129,545,957.07 : x
  2. Step 2: Convert to fraction form
    204,012,803.79/281,431,600.33 = 129,545,957.07/x
  3. Step 3: Cross multiply
    204,012,803.79x = 281,431,600.33 × 129,545,957.07
  4. Step 4: Simplify right side
    204,012,803.79x = 36,458,326,014,491,576
  5. Step 5: Solve for x
    x = 36,458,326,014,491,576/204,012,803.79
  6. Step 6: Final answer
    x = 178,706,068.13

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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.