Home / 49,620,395.44-68,466,111.42-28,989,855.64

Finding the Fourth Proportional to 49,620,395.44, 68,466,111.42 and 28,989,855.64

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Solution

The fourth proportional to 49,620,395.44, 68,466,111.42 and 28,989,855.64 is: 40,000,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,620,395.44 : 68,466,111.42 = 28,989,855.64 : x
  2. Step 2: Convert to fraction form
    49,620,395.44/68,466,111.42 = 28,989,855.64/x
  3. Step 3: Cross multiply
    49,620,395.44x = 68,466,111.42 × 28,989,855.64
  4. Step 4: Simplify right side
    49,620,395.44x = 1,984,822,686,297,955.50
  5. Step 5: Solve for x
    x = 1,984,822,686,297,955.50/49,620,395.44
  6. Step 6: Final answer
    x = 40,000,138.42

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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.