Home / 127,815,490.80-191,723,236.20-41,556,711.60

Finding the Fourth Proportional to 127,815,490.80, 191,723,236.20 and 41,556,711.60

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Solution

The fourth proportional to 127,815,490.80, 191,723,236.20 and 41,556,711.60 is: 62,335,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,815,490.80 : 191,723,236.20 = 41,556,711.60 : x
  2. Step 2: Convert to fraction form
    127,815,490.80/191,723,236.20 = 41,556,711.60/x
  3. Step 3: Cross multiply
    127,815,490.80x = 191,723,236.20 × 41,556,711.60
  4. Step 4: Simplify right side
    127,815,490.80x = 7,967,387,233,782,080
  5. Step 5: Solve for x
    x = 7,967,387,233,782,080/127,815,490.80
  6. Step 6: Final answer
    x = 62,335,067.40

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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.