Home / 55,004,743.58-82,507,130.64-20,456,631.36

Finding the Fourth Proportional to 55,004,743.58, 82,507,130.64 and 20,456,631.36

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Solution

The fourth proportional to 55,004,743.58, 82,507,130.64 and 20,456,631.36 is: 30,684,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,004,743.58 : 82,507,130.64 = 20,456,631.36 : x
  2. Step 2: Convert to fraction form
    55,004,743.58/82,507,130.64 = 20,456,631.36/x
  3. Step 3: Cross multiply
    55,004,743.58x = 82,507,130.64 × 20,456,631.36
  4. Step 4: Simplify right side
    55,004,743.58x = 1,687,817,956,073,840.75
  5. Step 5: Solve for x
    x = 1,687,817,956,073,840.75/55,004,743.58
  6. Step 6: Final answer
    x = 30,684,952.72

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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.