Home / 284,505,388.50-426,818,999.36-85,100,334.96

Finding the Fourth Proportional to 284,505,388.50, 426,818,999.36 and 85,100,334.96

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Solution

The fourth proportional to 284,505,388.50, 426,818,999.36 and 85,100,334.96 is: 127,668,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,505,388.50 : 426,818,999.36 = 85,100,334.96 : x
  2. Step 2: Convert to fraction form
    284,505,388.50/426,818,999.36 = 85,100,334.96/x
  3. Step 3: Cross multiply
    284,505,388.50x = 426,818,999.36 × 85,100,334.96
  4. Step 4: Simplify right side
    284,505,388.50x = 36,322,439,812,828,024
  5. Step 5: Solve for x
    x = 36,322,439,812,828,024/284,505,388.50
  6. Step 6: Final answer
    x = 127,668,723.62

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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.