Home / 35,856,040.80-53,840,048.40-20,739,496.80

Finding the Fourth Proportional to 35,856,040.80, 53,840,048.40 and 20,739,496.80

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Solution

The fourth proportional to 35,856,040.80, 53,840,048.40 and 20,739,496.80 is: 31,141,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856,040.80 : 53,840,048.40 = 20,739,496.80 : x
  2. Step 2: Convert to fraction form
    35,856,040.80/53,840,048.40 = 20,739,496.80/x
  3. Step 3: Cross multiply
    35,856,040.80x = 53,840,048.40 × 20,739,496.80
  4. Step 4: Simplify right side
    35,856,040.80x = 1,116,615,511,503,645.12
  5. Step 5: Solve for x
    x = 1,116,615,511,503,645.12/35,856,040.80
  6. Step 6: Final answer
    x = 31,141,628.76

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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.