Home / 284,505,371.10-426,818,973.24-85,100,317.56

Finding the Fourth Proportional to 284,505,371.10, 426,818,973.24 and 85,100,317.56

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Solution

The fourth proportional to 284,505,371.10, 426,818,973.24 and 85,100,317.56 is: 127,668,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,505,371.10 : 426,818,973.24 = 85,100,317.56 : x
  2. Step 2: Convert to fraction form
    284,505,371.10/426,818,973.24 = 85,100,317.56/x
  3. Step 3: Cross multiply
    284,505,371.10x = 426,818,973.24 × 85,100,317.56
  4. Step 4: Simplify right side
    284,505,371.10x = 36,322,430,163,357,144
  5. Step 5: Solve for x
    x = 36,322,430,163,357,144/284,505,371.10
  6. Step 6: Final answer
    x = 127,668,697.51

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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.