Home / 198,112,773.40-297,169,160.10-124,455,050.80

Finding the Fourth Proportional to 198,112,773.40, 297,169,160.10 and 124,455,050.80

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Solution

The fourth proportional to 198,112,773.40, 297,169,160.10 and 124,455,050.80 is: 186,682,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,112,773.40 : 297,169,160.10 = 124,455,050.80 : x
  2. Step 2: Convert to fraction form
    198,112,773.40/297,169,160.10 = 124,455,050.80/x
  3. Step 3: Cross multiply
    198,112,773.40x = 297,169,160.10 × 124,455,050.80
  4. Step 4: Simplify right side
    198,112,773.40x = 36,984,202,916,438,832
  5. Step 5: Solve for x
    x = 36,984,202,916,438,832/198,112,773.40
  6. Step 6: Final answer
    x = 186,682,576.20

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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.