Home / 50,687,999.70-76,031,999.55-12,865,535.70

Finding the Fourth Proportional to 50,687,999.70, 76,031,999.55 and 12,865,535.70

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Solution

The fourth proportional to 50,687,999.70, 76,031,999.55 and 12,865,535.70 is: 19,298,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687,999.70 : 76,031,999.55 = 12,865,535.70 : x
  2. Step 2: Convert to fraction form
    50,687,999.70/76,031,999.55 = 12,865,535.70/x
  3. Step 3: Cross multiply
    50,687,999.70x = 76,031,999.55 × 12,865,535.70
  4. Step 4: Simplify right side
    50,687,999.70x = 978,192,404,552,908.88
  5. Step 5: Solve for x
    x = 978,192,404,552,908.88/50,687,999.70
  6. Step 6: Final answer
    x = 19,298,303.55

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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.