Home / 51,619,519.87-71,236,405.83-28,099,573.39

Finding the Fourth Proportional to 51,619,519.87, 71,236,405.83 and 28,099,573.39

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Solution

The fourth proportional to 51,619,519.87, 71,236,405.83 and 28,099,573.39 is: 38,778,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619,519.87 : 71,236,405.83 = 28,099,573.39 : x
  2. Step 2: Convert to fraction form
    51,619,519.87/71,236,405.83 = 28,099,573.39/x
  3. Step 3: Cross multiply
    51,619,519.87x = 71,236,405.83 × 28,099,573.39
  4. Step 4: Simplify right side
    51,619,519.87x = 2,001,712,613,659,908.75
  5. Step 5: Solve for x
    x = 2,001,712,613,659,908.75/51,619,519.87
  6. Step 6: Final answer
    x = 38,778,210.62

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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.