Home / 121,076,723.70-182,093,382.45-108,641,004.30

Finding the Fourth Proportional to 121,076,723.70, 182,093,382.45 and 108,641,004.30

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Solution

The fourth proportional to 121,076,723.70, 182,093,382.45 and 108,641,004.30 is: 163,390,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,076,723.70 : 182,093,382.45 = 108,641,004.30 : x
  2. Step 2: Convert to fraction form
    121,076,723.70/182,093,382.45 = 108,641,004.30/x
  3. Step 3: Cross multiply
    121,076,723.70x = 182,093,382.45 × 108,641,004.30
  4. Step 4: Simplify right side
    121,076,723.70x = 19,782,807,945,751,992
  5. Step 5: Solve for x
    x = 19,782,807,945,751,992/121,076,723.70
  6. Step 6: Final answer
    x = 163,390,677.76

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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.