Home / 85,467,686.54-117,945,048.69-46,309,619.06

Finding the Fourth Proportional to 85,467,686.54, 117,945,048.69 and 46,309,619.06

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Solution

The fourth proportional to 85,467,686.54, 117,945,048.69 and 46,309,619.06 is: 63,907,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467,686.54 : 117,945,048.69 = 46,309,619.06 : x
  2. Step 2: Convert to fraction form
    85,467,686.54/117,945,048.69 = 46,309,619.06/x
  3. Step 3: Cross multiply
    85,467,686.54x = 117,945,048.69 × 46,309,619.06
  4. Step 4: Simplify right side
    85,467,686.54x = 5,461,990,274,699,621
  5. Step 5: Solve for x
    x = 5,461,990,274,699,621/85,467,686.54
  6. Step 6: Final answer
    x = 63,907,079.93

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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.