Home / 201,205,093.60-301,807,640.40-168,920,052.85

Finding the Fourth Proportional to 201,205,093.60, 301,807,640.40 and 168,920,052.85

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Solution

The fourth proportional to 201,205,093.60, 301,807,640.40 and 168,920,052.85 is: 253,380,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,205,093.60 : 301,807,640.40 = 168,920,052.85 : x
  2. Step 2: Convert to fraction form
    201,205,093.60/301,807,640.40 = 168,920,052.85/x
  3. Step 3: Cross multiply
    201,205,093.60x = 301,807,640.40 × 168,920,052.85
  4. Step 4: Simplify right side
    201,205,093.60x = 50,981,362,566,901,792
  5. Step 5: Solve for x
    x = 50,981,362,566,901,792/201,205,093.60
  6. Step 6: Final answer
    x = 253,380,079.28

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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.