Home / 86,739,074.07-119,698,805.49-49,568,928.69

Finding the Fourth Proportional to 86,739,074.07, 119,698,805.49 and 49,568,928.69

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Solution

The fourth proportional to 86,739,074.07, 119,698,805.49 and 49,568,928.69 is: 68,404,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,739,074.07 : 119,698,805.49 = 49,568,928.69 : x
  2. Step 2: Convert to fraction form
    86,739,074.07/119,698,805.49 = 49,568,928.69/x
  3. Step 3: Cross multiply
    86,739,074.07x = 119,698,805.49 × 49,568,928.69
  4. Step 4: Simplify right side
    86,739,074.07x = 5,933,341,553,611,990
  5. Step 5: Solve for x
    x = 5,933,341,553,611,990/86,739,074.07
  6. Step 6: Final answer
    x = 68,404,483.41

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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.