Home / 168,638,015.86-252,848,652.48-70,337,540.17

Finding the Fourth Proportional to 168,638,015.86, 252,848,652.48 and 70,337,540.17

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Solution

The fourth proportional to 168,638,015.86, 252,848,652.48 and 70,337,540.17 is: 105,461,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,638,015.86 : 252,848,652.48 = 70,337,540.17 : x
  2. Step 2: Convert to fraction form
    168,638,015.86/252,848,652.48 = 70,337,540.17/x
  3. Step 3: Cross multiply
    168,638,015.86x = 252,848,652.48 × 70,337,540.17
  4. Step 4: Simplify right side
    168,638,015.86x = 17,784,752,250,149,520
  5. Step 5: Solve for x
    x = 17,784,752,250,149,520/168,638,015.86
  6. Step 6: Final answer
    x = 105,461,109.46

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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.