Home / 161,659,285.01-223,089,902.82-87,319,845.21

Finding the Fourth Proportional to 161,659,285.01, 223,089,902.82 and 87,319,845.21

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Solution

The fourth proportional to 161,659,285.01, 223,089,902.82 and 87,319,845.21 is: 120,501,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,285.01 : 223,089,902.82 = 87,319,845.21 : x
  2. Step 2: Convert to fraction form
    161,659,285.01/223,089,902.82 = 87,319,845.21/x
  3. Step 3: Cross multiply
    161,659,285.01x = 223,089,902.82 × 87,319,845.21
  4. Step 4: Simplify right side
    161,659,285.01x = 19,480,175,782,156,340
  5. Step 5: Solve for x
    x = 19,480,175,782,156,340/161,659,285.01
  6. Step 6: Final answer
    x = 120,501,434.74

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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.