Home / 216,313,518.60-298,512,251.73-117,196,729.44

Finding the Fourth Proportional to 216,313,518.60, 298,512,251.73 and 117,196,729.44

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Solution

The fourth proportional to 216,313,518.60, 298,512,251.73 and 117,196,729.44 is: 161,731,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,313,518.60 : 298,512,251.73 = 117,196,729.44 : x
  2. Step 2: Convert to fraction form
    216,313,518.60/298,512,251.73 = 117,196,729.44/x
  3. Step 3: Cross multiply
    216,313,518.60x = 298,512,251.73 × 117,196,729.44
  4. Step 4: Simplify right side
    216,313,518.60x = 34,984,659,600,525,984
  5. Step 5: Solve for x
    x = 34,984,659,600,525,984/216,313,518.60
  6. Step 6: Final answer
    x = 161,731,267.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.