Home / 272,584,546.40-408,876,819.60-165,089,122.40

Finding the Fourth Proportional to 272,584,546.40, 408,876,819.60 and 165,089,122.40

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Solution

The fourth proportional to 272,584,546.40, 408,876,819.60 and 165,089,122.40 is: 247,633,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,584,546.40 : 408,876,819.60 = 165,089,122.40 : x
  2. Step 2: Convert to fraction form
    272,584,546.40/408,876,819.60 = 165,089,122.40/x
  3. Step 3: Cross multiply
    272,584,546.40x = 408,876,819.60 × 165,089,122.40
  4. Step 4: Simplify right side
    272,584,546.40x = 67,501,115,317,467,128
  5. Step 5: Solve for x
    x = 67,501,115,317,467,128/272,584,546.40
  6. Step 6: Final answer
    x = 247,633,683.60

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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.