Home / 50,651,406.86-69,891,211.60-28,616,866.55

Finding the Fourth Proportional to 50,651,406.86, 69,891,211.60 and 28,616,866.55

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Solution

The fourth proportional to 50,651,406.86, 69,891,211.60 and 28,616,866.55 is: 39,486,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651,406.86 : 69,891,211.60 = 28,616,866.55 : x
  2. Step 2: Convert to fraction form
    50,651,406.86/69,891,211.60 = 28,616,866.55/x
  3. Step 3: Cross multiply
    50,651,406.86x = 69,891,211.60 × 28,616,866.55
  4. Step 4: Simplify right side
    50,651,406.86x = 2,000,067,475,375,011.75
  5. Step 5: Solve for x
    x = 2,000,067,475,375,011.75/50,651,406.86
  6. Step 6: Final answer
    x = 39,486,908.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.