Home / 216,560,684.12-298,866,383.99-122,483,171.43

Finding the Fourth Proportional to 216,560,684.12, 298,866,383.99 and 122,483,171.43

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Solution

The fourth proportional to 216,560,684.12, 298,866,383.99 and 122,483,171.43 is: 169,033,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,560,684.12 : 298,866,383.99 = 122,483,171.43 : x
  2. Step 2: Convert to fraction form
    216,560,684.12/298,866,383.99 = 122,483,171.43/x
  3. Step 3: Cross multiply
    216,560,684.12x = 298,866,383.99 × 122,483,171.43
  4. Step 4: Simplify right side
    216,560,684.12x = 36,606,102,544,298,968
  5. Step 5: Solve for x
    x = 36,606,102,544,298,968/216,560,684.12
  6. Step 6: Final answer
    x = 169,033,925.50

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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.