Home / 50,787,403.42-70,090,939.32-28,764,820.54

Finding the Fourth Proportional to 50,787,403.42, 70,090,939.32 and 28,764,820.54

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Solution

The fourth proportional to 50,787,403.42, 70,090,939.32 and 28,764,820.54 is: 39,697,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787,403.42 : 70,090,939.32 = 28,764,820.54 : x
  2. Step 2: Convert to fraction form
    50,787,403.42/70,090,939.32 = 28,764,820.54/x
  3. Step 3: Cross multiply
    50,787,403.42x = 70,090,939.32 × 28,764,820.54
  4. Step 4: Simplify right side
    50,787,403.42x = 2,016,153,291,019,829.25
  5. Step 5: Solve for x
    x = 2,016,153,291,019,829.25/50,787,403.42
  6. Step 6: Final answer
    x = 39,697,900.57

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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.