Home / 101,961,287.92-152,942,078.16-77,837,186.32

Finding the Fourth Proportional to 101,961,287.92, 152,942,078.16 and 77,837,186.32

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Solution

The fourth proportional to 101,961,287.92, 152,942,078.16 and 77,837,186.32 is: 116,755,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,961,287.92 : 152,942,078.16 = 77,837,186.32 : x
  2. Step 2: Convert to fraction form
    101,961,287.92/152,942,078.16 = 77,837,186.32/x
  3. Step 3: Cross multiply
    101,961,287.92x = 152,942,078.16 × 77,837,186.32
  4. Step 4: Simplify right side
    101,961,287.92x = 11,904,581,033,907,922
  5. Step 5: Solve for x
    x = 11,904,581,033,907,922/101,961,287.92
  6. Step 6: Final answer
    x = 116,755,891.15

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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.