Home / 204,012,802.79-281,431,598.96-129,545,956.07

Finding the Fourth Proportional to 204,012,802.79, 281,431,598.96 and 129,545,956.07

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Solution

The fourth proportional to 204,012,802.79, 281,431,598.96 and 129,545,956.07 is: 178,706,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,012,802.79 : 281,431,598.96 = 129,545,956.07 : x
  2. Step 2: Convert to fraction form
    204,012,802.79/281,431,598.96 = 129,545,956.07/x
  3. Step 3: Cross multiply
    204,012,802.79x = 281,431,598.96 × 129,545,956.07
  4. Step 4: Simplify right side
    204,012,802.79x = 36,458,325,554,934,280
  5. Step 5: Solve for x
    x = 36,458,325,554,934,280/204,012,802.79
  6. Step 6: Final answer
    x = 178,706,066.76

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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.