Home / 50,983,877.08-76,511,134.86-20,275,309.36

Finding the Fourth Proportional to 50,983,877.08, 76,511,134.86 and 20,275,309.36

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Solution

The fourth proportional to 50,983,877.08, 76,511,134.86 and 20,275,309.36 is: 30,427,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983,877.08 : 76,511,134.86 = 20,275,309.36 : x
  2. Step 2: Convert to fraction form
    50,983,877.08/76,511,134.86 = 20,275,309.36/x
  3. Step 3: Cross multiply
    50,983,877.08x = 76,511,134.86 × 20,275,309.36
  4. Step 4: Simplify right side
    50,983,877.08x = 1,551,286,928,771,180.25
  5. Step 5: Solve for x
    x = 1,551,286,928,771,180.25/50,983,877.08
  6. Step 6: Final answer
    x = 30,427,009.82

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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.