Home / 172,231,880.16-258,347,811.60-118,215,429.60

Finding the Fourth Proportional to 172,231,880.16, 258,347,811.60 and 118,215,429.60

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Solution

The fourth proportional to 172,231,880.16, 258,347,811.60 and 118,215,429.60 is: 177,323,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,231,880.16 : 258,347,811.60 = 118,215,429.60 : x
  2. Step 2: Convert to fraction form
    172,231,880.16/258,347,811.60 = 118,215,429.60/x
  3. Step 3: Cross multiply
    172,231,880.16x = 258,347,811.60 × 118,215,429.60
  4. Step 4: Simplify right side
    172,231,880.16x = 30,540,697,534,513,860
  5. Step 5: Solve for x
    x = 30,540,697,534,513,860/172,231,880.16
  6. Step 6: Final answer
    x = 177,323,138.47

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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.