Home / 128,308,001.60-192,469,375.20-37,445,614.40

Finding the Fourth Proportional to 128,308,001.60, 192,469,375.20 and 37,445,614.40

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Solution

The fourth proportional to 128,308,001.60, 192,469,375.20 and 37,445,614.40 is: 56,170,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,308,001.60 : 192,469,375.20 = 37,445,614.40 : x
  2. Step 2: Convert to fraction form
    128,308,001.60/192,469,375.20 = 37,445,614.40/x
  3. Step 3: Cross multiply
    128,308,001.60x = 192,469,375.20 × 37,445,614.40
  4. Step 4: Simplify right side
    128,308,001.60x = 7,207,134,007,548,122
  5. Step 5: Solve for x
    x = 7,207,134,007,548,122/128,308,001.60
  6. Step 6: Final answer
    x = 56,170,573.29

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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.