Home / 201,678,138.60-302,517,207.90-125,150,634.60

Finding the Fourth Proportional to 201,678,138.60, 302,517,207.90 and 125,150,634.60

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Solution

The fourth proportional to 201,678,138.60, 302,517,207.90 and 125,150,634.60 is: 187,725,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,678,138.60 : 302,517,207.90 = 125,150,634.60 : x
  2. Step 2: Convert to fraction form
    201,678,138.60/302,517,207.90 = 125,150,634.60/x
  3. Step 3: Cross multiply
    201,678,138.60x = 302,517,207.90 × 125,150,634.60
  4. Step 4: Simplify right side
    201,678,138.60x = 37,860,220,546,105,128
  5. Step 5: Solve for x
    x = 37,860,220,546,105,128/201,678,138.60
  6. Step 6: Final answer
    x = 187,725,951.90

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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.