Home / 168,014,266.10-251,737,963.95-81,566,530.10

Finding the Fourth Proportional to 168,014,266.10, 251,737,963.95 and 81,566,530.10

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Solution

The fourth proportional to 168,014,266.10, 251,737,963.95 and 81,566,530.10 is: 122,212,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,014,266.10 : 251,737,963.95 = 81,566,530.10 : x
  2. Step 2: Convert to fraction form
    168,014,266.10/251,737,963.95 = 81,566,530.10/x
  3. Step 3: Cross multiply
    168,014,266.10x = 251,737,963.95 × 81,566,530.10
  4. Step 4: Simplify right side
    168,014,266.10x = 20,533,392,213,840,388
  5. Step 5: Solve for x
    x = 20,533,392,213,840,388/168,014,266.10
  6. Step 6: Final answer
    x = 122,212,194.78

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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.