Home / 284,885,250.42-427,327,211.25-187,133,985.75

Finding the Fourth Proportional to 284,885,250.42, 427,327,211.25 and 187,133,985.75

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Solution

The fourth proportional to 284,885,250.42, 427,327,211.25 and 187,133,985.75 is: 280,700,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,885,250.42 : 427,327,211.25 = 187,133,985.75 : x
  2. Step 2: Convert to fraction form
    284,885,250.42/427,327,211.25 = 187,133,985.75/x
  3. Step 3: Cross multiply
    284,885,250.42x = 427,327,211.25 × 187,133,985.75
  4. Step 4: Simplify right side
    284,885,250.42x = 79,967,444,260,644,736
  5. Step 5: Solve for x
    x = 79,967,444,260,644,736/284,885,250.42
  6. Step 6: Final answer
    x = 280,700,542.21

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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.