Home / 55,567,896.80-83,189,643.60-39,642,648.80

Finding the Fourth Proportional to 55,567,896.80, 83,189,643.60 and 39,642,648.80

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Solution

The fourth proportional to 55,567,896.80, 83,189,643.60 and 39,642,648.80 is: 59,348,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,567,896.80 : 83,189,643.60 = 39,642,648.80 : x
  2. Step 2: Convert to fraction form
    55,567,896.80/83,189,643.60 = 39,642,648.80/x
  3. Step 3: Cross multiply
    55,567,896.80x = 83,189,643.60 × 39,642,648.80
  4. Step 4: Simplify right side
    55,567,896.80x = 3,297,857,825,031,967
  5. Step 5: Solve for x
    x = 3,297,857,825,031,967/55,567,896.80
  6. Step 6: Final answer
    x = 59,348,257.09

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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.