Home / 86,376,144.94-119,199,873.15-49,205,874.32

Finding the Fourth Proportional to 86,376,144.94, 119,199,873.15 and 49,205,874.32

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Solution

The fourth proportional to 86,376,144.94, 119,199,873.15 and 49,205,874.32 is: 67,904,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,376,144.94 : 119,199,873.15 = 49,205,874.32 : x
  2. Step 2: Convert to fraction form
    86,376,144.94/119,199,873.15 = 49,205,874.32/x
  3. Step 3: Cross multiply
    86,376,144.94x = 119,199,873.15 × 49,205,874.32
  4. Step 4: Simplify right side
    86,376,144.94x = 5,865,333,976,556,385
  5. Step 5: Solve for x
    x = 5,865,333,976,556,385/86,376,144.94
  6. Step 6: Final answer
    x = 67,904,558.38

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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.