Home / 86,376,149.32-119,199,879.19-49,205,878.69

Finding the Fourth Proportional to 86,376,149.32, 119,199,879.19 and 49,205,878.69

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Solution

The fourth proportional to 86,376,149.32, 119,199,879.19 and 49,205,878.69 is: 67,904,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,376,149.32 : 119,199,879.19 = 49,205,878.69 : x
  2. Step 2: Convert to fraction form
    86,376,149.32/119,199,879.19 = 49,205,878.69/x
  3. Step 3: Cross multiply
    86,376,149.32x = 119,199,879.19 × 49,205,878.69
  4. Step 4: Simplify right side
    86,376,149.32x = 5,865,334,794,689,796
  5. Step 5: Solve for x
    x = 5,865,334,794,689,796/86,376,149.32
  6. Step 6: Final answer
    x = 67,904,564.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.