Home / 50,787,350.20-70,090,865.80-28,764,767.31

Finding the Fourth Proportional to 50,787,350.20, 70,090,865.80 and 28,764,767.31

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Solution

The fourth proportional to 50,787,350.20, 70,090,865.80 and 28,764,767.31 is: 39,697,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787,350.20 : 70,090,865.80 = 28,764,767.31 : x
  2. Step 2: Convert to fraction form
    50,787,350.20/70,090,865.80 = 28,764,767.31/x
  3. Step 3: Cross multiply
    50,787,350.20x = 70,090,865.80 × 28,764,767.31
  4. Step 4: Simplify right side
    50,787,350.20x = 2,016,147,445,353,015.50
  5. Step 5: Solve for x
    x = 2,016,147,445,353,015.50/50,787,350.20
  6. Step 6: Final answer
    x = 39,697,827.06

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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.