Home / 55,004,735.52-82,507,118.55-20,456,623.32

Finding the Fourth Proportional to 55,004,735.52, 82,507,118.55 and 20,456,623.32

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Solution

The fourth proportional to 55,004,735.52, 82,507,118.55 and 20,456,623.32 is: 30,684,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,004,735.52 : 82,507,118.55 = 20,456,623.32 : x
  2. Step 2: Convert to fraction form
    55,004,735.52/82,507,118.55 = 20,456,623.32/x
  3. Step 3: Cross multiply
    55,004,735.52x = 82,507,118.55 × 20,456,623.32
  4. Step 4: Simplify right side
    55,004,735.52x = 1,687,817,045,395,934.50
  5. Step 5: Solve for x
    x = 1,687,817,045,395,934.50/55,004,735.52
  6. Step 6: Final answer
    x = 30,684,940.66

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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.