Home / 90,906,792.96-136,360,699.20-30,322,352.64

Finding the Fourth Proportional to 90,906,792.96, 136,360,699.20 and 30,322,352.64

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Solution

The fourth proportional to 90,906,792.96, 136,360,699.20 and 30,322,352.64 is: 45,483,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,906,792.96 : 136,360,699.20 = 30,322,352.64 : x
  2. Step 2: Convert to fraction form
    90,906,792.96/136,360,699.20 = 30,322,352.64/x
  3. Step 3: Cross multiply
    90,906,792.96x = 136,360,699.20 × 30,322,352.64
  4. Step 4: Simplify right side
    90,906,792.96x = 4,134,777,207,379,365.50
  5. Step 5: Solve for x
    x = 4,134,777,207,379,365.50/90,906,792.96
  6. Step 6: Final answer
    x = 45,483,698.99

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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.