Home / 77,962,741.92-116,943,794.80-19,670,556.32

Finding the Fourth Proportional to 77,962,741.92, 116,943,794.80 and 19,670,556.32

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Solution

The fourth proportional to 77,962,741.92, 116,943,794.80 and 19,670,556.32 is: 29,505,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962,741.92 : 116,943,794.80 = 19,670,556.32 : x
  2. Step 2: Convert to fraction form
    77,962,741.92/116,943,794.80 = 19,670,556.32/x
  3. Step 3: Cross multiply
    77,962,741.92x = 116,943,794.80 × 19,670,556.32
  4. Step 4: Simplify right side
    77,962,741.92x = 2,300,349,501,887,923
  5. Step 5: Solve for x
    x = 2,300,349,501,887,923/77,962,741.92
  6. Step 6: Final answer
    x = 29,505,754.23

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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.