Home / 155,137,044.48-214,089,769.44-85,520,898

Finding the Fourth Proportional to 155,137,044.48, 214,089,769.44 and 85,520,898

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Solution

The fourth proportional to 155,137,044.48, 214,089,769.44 and 85,520,898 is: 118,019,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,137,044.48 : 214,089,769.44 = 85,520,898 : x
  2. Step 2: Convert to fraction form
    155,137,044.48/214,089,769.44 = 85,520,898/x
  3. Step 3: Cross multiply
    155,137,044.48x = 214,089,769.44 × 85,520,898
  4. Step 4: Simplify right side
    155,137,044.48x = 18,309,149,335,121,756
  5. Step 5: Solve for x
    x = 18,309,149,335,121,756/155,137,044.48
  6. Step 6: Final answer
    x = 118,019,196.49

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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.