Home / 284,505,367.71-426,818,968.17-85,100,314.17

Finding the Fourth Proportional to 284,505,367.71, 426,818,968.17 and 85,100,314.17

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Solution

The fourth proportional to 284,505,367.71, 426,818,968.17 and 85,100,314.17 is: 127,668,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,505,367.71 : 426,818,968.17 = 85,100,314.17 : x
  2. Step 2: Convert to fraction form
    284,505,367.71/426,818,968.17 = 85,100,314.17/x
  3. Step 3: Cross multiply
    284,505,367.71x = 426,818,968.17 × 85,100,314.17
  4. Step 4: Simplify right side
    284,505,367.71x = 36,322,428,284,982,232
  5. Step 5: Solve for x
    x = 36,322,428,284,982,232/284,505,367.71
  6. Step 6: Final answer
    x = 127,668,692.43

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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.