Home / 295,684,712.20-407,999,571.78-170,212,654.48

Finding the Fourth Proportional to 295,684,712.20, 407,999,571.78 and 170,212,654.48

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Solution

The fourth proportional to 295,684,712.20, 407,999,571.78 and 170,212,654.48 is: 234,867,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,684,712.20 : 407,999,571.78 = 170,212,654.48 : x
  2. Step 2: Convert to fraction form
    295,684,712.20/407,999,571.78 = 170,212,654.48/x
  3. Step 3: Cross multiply
    295,684,712.20x = 407,999,571.78 × 170,212,654.48
  4. Step 4: Simplify right side
    295,684,712.20x = 69,446,690,139,377,088
  5. Step 5: Solve for x
    x = 69,446,690,139,377,088/295,684,712.20
  6. Step 6: Final answer
    x = 234,867,368.09

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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.