Home / 432,322,349.25-648,550,708.52-145,175,197.89

Finding the Fourth Proportional to 432,322,349.25, 648,550,708.52 and 145,175,197.89

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Solution

The fourth proportional to 432,322,349.25, 648,550,708.52 and 145,175,197.89 is: 217,785,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,322,349.25 : 648,550,708.52 = 145,175,197.89 : x
  2. Step 2: Convert to fraction form
    432,322,349.25/648,550,708.52 = 145,175,197.89/x
  3. Step 3: Cross multiply
    432,322,349.25x = 648,550,708.52 × 145,175,197.89
  4. Step 4: Simplify right side
    432,322,349.25x = 94,153,477,451,090,704
  5. Step 5: Solve for x
    x = 94,153,477,451,090,704/432,322,349.25
  6. Step 6: Final answer
    x = 217,785,357.65

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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.