Home / 155,141,199.28-214,056,791.74-102,212,037.64

Finding the Fourth Proportional to 155,141,199.28, 214,056,791.74 and 102,212,037.64

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Solution

The fourth proportional to 155,141,199.28, 214,056,791.74 and 102,212,037.64 is: 141,027,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,141,199.28 : 214,056,791.74 = 102,212,037.64 : x
  2. Step 2: Convert to fraction form
    155,141,199.28/214,056,791.74 = 102,212,037.64/x
  3. Step 3: Cross multiply
    155,141,199.28x = 214,056,791.74 × 102,212,037.64
  4. Step 4: Simplify right side
    155,141,199.28x = 21,879,180,854,821,856
  5. Step 5: Solve for x
    x = 21,879,180,854,821,856/155,141,199.28
  6. Step 6: Final answer
    x = 141,027,534.63

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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.