Home / 77,109,514.62-115,603,712.22-52,774,664.87

Finding the Fourth Proportional to 77,109,514.62, 115,603,712.22 and 52,774,664.87

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Solution

The fourth proportional to 77,109,514.62, 115,603,712.22 and 52,774,664.87 is: 79,120,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,109,514.62 : 115,603,712.22 = 52,774,664.87 : x
  2. Step 2: Convert to fraction form
    77,109,514.62/115,603,712.22 = 52,774,664.87/x
  3. Step 3: Cross multiply
    77,109,514.62x = 115,603,712.22 × 52,774,664.87
  4. Step 4: Simplify right side
    77,109,514.62x = 6,100,947,170,625,338
  5. Step 5: Solve for x
    x = 6,100,947,170,625,338/77,109,514.62
  6. Step 6: Final answer
    x = 79,120,549.53

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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.