Home / 67,178,350.32-100,682,315.16-30,250,840.32

Finding the Fourth Proportional to 67,178,350.32, 100,682,315.16 and 30,250,840.32

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Solution

The fourth proportional to 67,178,350.32, 100,682,315.16 and 30,250,840.32 is: 45,337,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,178,350.32 : 100,682,315.16 = 30,250,840.32 : x
  2. Step 2: Convert to fraction form
    67,178,350.32/100,682,315.16 = 30,250,840.32/x
  3. Step 3: Cross multiply
    67,178,350.32x = 100,682,315.16 × 30,250,840.32
  4. Step 4: Simplify right side
    67,178,350.32x = 3,045,724,638,953,075
  5. Step 5: Solve for x
    x = 3,045,724,638,953,075/67,178,350.32
  6. Step 6: Final answer
    x = 45,337,889.73

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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.