Home / 320,485,800.60-442,265,106.78-181,251,336.60

Finding the Fourth Proportional to 320,485,800.60, 442,265,106.78 and 181,251,336.60

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Solution

The fourth proportional to 320,485,800.60, 442,265,106.78 and 181,251,336.60 is: 250,123,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,485,800.60 : 442,265,106.78 = 181,251,336.60 : x
  2. Step 2: Convert to fraction form
    320,485,800.60/442,265,106.78 = 181,251,336.60/x
  3. Step 3: Cross multiply
    320,485,800.60x = 442,265,106.78 × 181,251,336.60
  4. Step 4: Simplify right side
    320,485,800.60x = 80,161,141,735,416,720
  5. Step 5: Solve for x
    x = 80,161,141,735,416,720/320,485,800.60
  6. Step 6: Final answer
    x = 250,123,848.19

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1.5x scale

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.