Home / 133,076,634.74-199,659,299.40-83,835,640.19

Finding the Fourth Proportional to 133,076,634.74, 199,659,299.40 and 83,835,640.19

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Solution

The fourth proportional to 133,076,634.74, 199,659,299.40 and 83,835,640.19 is: 125,781,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076,634.74 : 199,659,299.40 = 83,835,640.19 : x
  2. Step 2: Convert to fraction form
    133,076,634.74/199,659,299.40 = 83,835,640.19/x
  3. Step 3: Cross multiply
    133,076,634.74x = 199,659,299.40 × 83,835,640.19
  4. Step 4: Simplify right side
    133,076,634.74x = 16,738,565,184,836,310
  5. Step 5: Solve for x
    x = 16,738,565,184,836,310/133,076,634.74
  6. Step 6: Final answer
    x = 125,781,398.20

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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.