Home / 343,361,222.08-515,268,719.60-161,660,363.20

Finding the Fourth Proportional to 343,361,222.08, 515,268,719.60 and 161,660,363.20

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Solution

The fourth proportional to 343,361,222.08, 515,268,719.60 and 161,660,363.20 is: 242,597,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,361,222.08 : 515,268,719.60 = 161,660,363.20 : x
  2. Step 2: Convert to fraction form
    343,361,222.08/515,268,719.60 = 161,660,363.20/x
  3. Step 3: Cross multiply
    343,361,222.08x = 515,268,719.60 × 161,660,363.20
  4. Step 4: Simplify right side
    343,361,222.08x = 83,298,528,356,134,960
  5. Step 5: Solve for x
    x = 83,298,528,356,134,960/343,361,222.08
  6. Step 6: Final answer
    x = 242,597,366.85

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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.