Home / 168,014,266.60-251,737,964.70-81,566,530.60

Finding the Fourth Proportional to 168,014,266.60, 251,737,964.70 and 81,566,530.60

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Solution

The fourth proportional to 168,014,266.60, 251,737,964.70 and 81,566,530.60 is: 122,212,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,014,266.60 : 251,737,964.70 = 81,566,530.60 : x
  2. Step 2: Convert to fraction form
    168,014,266.60/251,737,964.70 = 81,566,530.60/x
  3. Step 3: Cross multiply
    168,014,266.60x = 251,737,964.70 × 81,566,530.60
  4. Step 4: Simplify right side
    168,014,266.60x = 20,533,392,400,884,268
  5. Step 5: Solve for x
    x = 20,533,392,400,884,268/168,014,266.60
  6. Step 6: Final answer
    x = 122,212,195.53

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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.