Home / 128,306,801.60-192,467,575.20-37,444,414.40

Finding the Fourth Proportional to 128,306,801.60, 192,467,575.20 and 37,444,414.40

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Solution

The fourth proportional to 128,306,801.60, 192,467,575.20 and 37,444,414.40 is: 56,168,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,306,801.60 : 192,467,575.20 = 37,444,414.40 : x
  2. Step 2: Convert to fraction form
    128,306,801.60/192,467,575.20 = 37,444,414.40/x
  3. Step 3: Cross multiply
    128,306,801.60x = 192,467,575.20 × 37,444,414.40
  4. Step 4: Simplify right side
    128,306,801.60x = 7,206,835,644,351,962
  5. Step 5: Solve for x
    x = 7,206,835,644,351,962/128,306,801.60
  6. Step 6: Final answer
    x = 56,168,773.24

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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.