Home / 90,352,361.44-124,686,163.92-49,099,165.60

Finding the Fourth Proportional to 90,352,361.44, 124,686,163.92 and 49,099,165.60

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Solution

The fourth proportional to 90,352,361.44, 124,686,163.92 and 49,099,165.60 is: 67,756,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,352,361.44 : 124,686,163.92 = 49,099,165.60 : x
  2. Step 2: Convert to fraction form
    90,352,361.44/124,686,163.92 = 49,099,165.60/x
  3. Step 3: Cross multiply
    90,352,361.44x = 124,686,163.92 × 49,099,165.60
  4. Step 4: Simplify right side
    90,352,361.44x = 6,121,986,610,336,825
  5. Step 5: Solve for x
    x = 6,121,986,610,336,825/90,352,361.44
  6. Step 6: Final answer
    x = 67,756,796.98

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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.