Home / 155,400,633.27-214,451,782.96-84,836,243.47

Finding the Fourth Proportional to 155,400,633.27, 214,451,782.96 and 84,836,243.47

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Solution

The fourth proportional to 155,400,633.27, 214,451,782.96 and 84,836,243.47 is: 117,073,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,400,633.27 : 214,451,782.96 = 84,836,243.47 : x
  2. Step 2: Convert to fraction form
    155,400,633.27/214,451,782.96 = 84,836,243.47/x
  3. Step 3: Cross multiply
    155,400,633.27x = 214,451,782.96 × 84,836,243.47
  4. Step 4: Simplify right side
    155,400,633.27x = 18,193,283,671,171,216
  5. Step 5: Solve for x
    x = 18,193,283,671,171,216/155,400,633.27
  6. Step 6: Final answer
    x = 117,073,420.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.