Home / 216,846,231.17-298,958,774.89-172,340,815.35

Finding the Fourth Proportional to 216,846,231.17, 298,958,774.89 and 172,340,815.35

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Solution

The fourth proportional to 216,846,231.17, 298,958,774.89 and 172,340,815.35 is: 237,600,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,846,231.17 : 298,958,774.89 = 172,340,815.35 : x
  2. Step 2: Convert to fraction form
    216,846,231.17/298,958,774.89 = 172,340,815.35/x
  3. Step 3: Cross multiply
    216,846,231.17x = 298,958,774.89 × 172,340,815.35
  4. Step 4: Simplify right side
    216,846,231.17x = 51,522,799,019,084,912
  5. Step 5: Solve for x
    x = 51,522,799,019,084,912/216,846,231.17
  6. Step 6: Final answer
    x = 237,600,620.22

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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.