Home / 71,460,224.16-107,190,999.60-20,342,241.12

Finding the Fourth Proportional to 71,460,224.16, 107,190,999.60 and 20,342,241.12

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Solution

The fourth proportional to 71,460,224.16, 107,190,999.60 and 20,342,241.12 is: 30,513,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,460,224.16 : 107,190,999.60 = 20,342,241.12 : x
  2. Step 2: Convert to fraction form
    71,460,224.16/107,190,999.60 = 20,342,241.12/x
  3. Step 3: Cross multiply
    71,460,224.16x = 107,190,999.60 × 20,342,241.12
  4. Step 4: Simplify right side
    71,460,224.16x = 2,180,505,159,757,023.50
  5. Step 5: Solve for x
    x = 2,180,505,159,757,023.50/71,460,224.16
  6. Step 6: Final answer
    x = 30,513,550.52

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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.