Home / 198,112,816.40-297,169,224.60-124,455,093.80

Finding the Fourth Proportional to 198,112,816.40, 297,169,224.60 and 124,455,093.80

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Solution

The fourth proportional to 198,112,816.40, 297,169,224.60 and 124,455,093.80 is: 186,682,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,112,816.40 : 297,169,224.60 = 124,455,093.80 : x
  2. Step 2: Convert to fraction form
    198,112,816.40/297,169,224.60 = 124,455,093.80/x
  3. Step 3: Cross multiply
    198,112,816.40x = 297,169,224.60 × 124,455,093.80
  4. Step 4: Simplify right side
    198,112,816.40x = 36,984,223,722,066,272
  5. Step 5: Solve for x
    x = 36,984,223,722,066,272/198,112,816.40
  6. Step 6: Final answer
    x = 186,682,640.70

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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.