Home / 127,835,844.51-191,752,610.22-40,397,375.87

Finding the Fourth Proportional to 127,835,844.51, 191,752,610.22 and 40,397,375.87

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Solution

The fourth proportional to 127,835,844.51, 191,752,610.22 and 40,397,375.87 is: 60,595,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,835,844.51 : 191,752,610.22 = 40,397,375.87 : x
  2. Step 2: Convert to fraction form
    127,835,844.51/191,752,610.22 = 40,397,375.87/x
  3. Step 3: Cross multiply
    127,835,844.51x = 191,752,610.22 × 40,397,375.87
  4. Step 4: Simplify right side
    127,835,844.51x = 7,746,302,267,950,194
  5. Step 5: Solve for x
    x = 7,746,302,267,950,194/127,835,844.51
  6. Step 6: Final answer
    x = 60,595,698.32

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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.