Home / 55,429,422.36-83,138,789.92-17,080,639.80

Finding the Fourth Proportional to 55,429,422.36, 83,138,789.92 and 17,080,639.80

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Solution

The fourth proportional to 55,429,422.36, 83,138,789.92 and 17,080,639.80 is: 25,619,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429,422.36 : 83,138,789.92 = 17,080,639.80 : x
  2. Step 2: Convert to fraction form
    55,429,422.36/83,138,789.92 = 17,080,639.80/x
  3. Step 3: Cross multiply
    55,429,422.36x = 83,138,789.92 × 17,080,639.80
  4. Step 4: Simplify right side
    55,429,422.36x = 1,420,063,724,031,391
  5. Step 5: Solve for x
    x = 1,420,063,724,031,391/55,429,422.36
  6. Step 6: Final answer
    x = 25,619,313.06

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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.