Home / 50,705,167.88-76,056,965.58-20,412,291.08

Finding the Fourth Proportional to 50,705,167.88, 76,056,965.58 and 20,412,291.08

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Solution

The fourth proportional to 50,705,167.88, 76,056,965.58 and 20,412,291.08 is: 30,618,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,705,167.88 : 76,056,965.58 = 20,412,291.08 : x
  2. Step 2: Convert to fraction form
    50,705,167.88/76,056,965.58 = 20,412,291.08/x
  3. Step 3: Cross multiply
    50,705,167.88x = 76,056,965.58 × 20,412,291.08
  4. Step 4: Simplify right side
    50,705,167.88x = 1,552,496,920,080,500.75
  5. Step 5: Solve for x
    x = 1,552,496,920,080,500.75/50,705,167.88
  6. Step 6: Final answer
    x = 30,618,120.10

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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.