Home / 45,464,622.86-68,240,049.44-28,140,419.57

Finding the Fourth Proportional to 45,464,622.86, 68,240,049.44 and 28,140,419.57

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Solution

The fourth proportional to 45,464,622.86, 68,240,049.44 and 28,140,419.57 is: 42,237,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,464,622.86 : 68,240,049.44 = 28,140,419.57 : x
  2. Step 2: Convert to fraction form
    45,464,622.86/68,240,049.44 = 28,140,419.57/x
  3. Step 3: Cross multiply
    45,464,622.86x = 68,240,049.44 × 28,140,419.57
  4. Step 4: Simplify right side
    45,464,622.86x = 1,920,303,622,237,241.25
  5. Step 5: Solve for x
    x = 1,920,303,622,237,241.25/45,464,622.86
  6. Step 6: Final answer
    x = 42,237,315.56

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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.