Home / 155,646,509.45-214,770,239.24-88,667,228.75

Finding the Fourth Proportional to 155,646,509.45, 214,770,239.24 and 88,667,228.75

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Solution

The fourth proportional to 155,646,509.45, 214,770,239.24 and 88,667,228.75 is: 122,348,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,646,509.45 : 214,770,239.24 = 88,667,228.75 : x
  2. Step 2: Convert to fraction form
    155,646,509.45/214,770,239.24 = 88,667,228.75/x
  3. Step 3: Cross multiply
    155,646,509.45x = 214,770,239.24 × 88,667,228.75
  4. Step 4: Simplify right side
    155,646,509.45x = 19,043,081,929,868,120
  5. Step 5: Solve for x
    x = 19,043,081,929,868,120/155,646,509.45
  6. Step 6: Final answer
    x = 122,348,274.93

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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.