Home / 243,073,428.96-364,609,602.96-187,821,604.80

Finding the Fourth Proportional to 243,073,428.96, 364,609,602.96 and 187,821,604.80

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Solution

The fourth proportional to 243,073,428.96, 364,609,602.96 and 187,821,604.80 is: 281,731,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,073,428.96 : 364,609,602.96 = 187,821,604.80 : x
  2. Step 2: Convert to fraction form
    243,073,428.96/364,609,602.96 = 187,821,604.80/x
  3. Step 3: Cross multiply
    243,073,428.96x = 364,609,602.96 × 187,821,604.80
  4. Step 4: Simplify right side
    243,073,428.96x = 68,481,560,753,438,032
  5. Step 5: Solve for x
    x = 68,481,560,753,438,032/243,073,428.96
  6. Step 6: Final answer
    x = 281,731,989.57

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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.