Home / 303,415,091.32-455,122,858.44-73,384,397.44

Finding the Fourth Proportional to 303,415,091.32, 455,122,858.44 and 73,384,397.44

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Solution

The fourth proportional to 303,415,091.32, 455,122,858.44 and 73,384,397.44 is: 110,076,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,415,091.32 : 455,122,858.44 = 73,384,397.44 : x
  2. Step 2: Convert to fraction form
    303,415,091.32/455,122,858.44 = 73,384,397.44/x
  3. Step 3: Cross multiply
    303,415,091.32x = 455,122,858.44 × 73,384,397.44
  4. Step 4: Simplify right side
    303,415,091.32x = 33,398,916,727,789,816
  5. Step 5: Solve for x
    x = 33,398,916,727,789,816/303,415,091.32
  6. Step 6: Final answer
    x = 110,076,649.72

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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.