Home / 236,990,640.60-355,485,960.90-122,199,384.60

Finding the Fourth Proportional to 236,990,640.60, 355,485,960.90 and 122,199,384.60

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Solution

The fourth proportional to 236,990,640.60, 355,485,960.90 and 122,199,384.60 is: 183,299,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,990,640.60 : 355,485,960.90 = 122,199,384.60 : x
  2. Step 2: Convert to fraction form
    236,990,640.60/355,485,960.90 = 122,199,384.60/x
  3. Step 3: Cross multiply
    236,990,640.60x = 355,485,960.90 × 122,199,384.60
  4. Step 4: Simplify right side
    236,990,640.60x = 43,440,165,655,919,656
  5. Step 5: Solve for x
    x = 43,440,165,655,919,656/236,990,640.60
  6. Step 6: Final answer
    x = 183,299,076.90

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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.