Home / 68,977,145.32-103,297,641.88-45,619,658.44

Finding the Fourth Proportional to 68,977,145.32, 103,297,641.88 and 45,619,658.44

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Solution

The fourth proportional to 68,977,145.32, 103,297,641.88 and 45,619,658.44 is: 68,318,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977,145.32 : 103,297,641.88 = 45,619,658.44 : x
  2. Step 2: Convert to fraction form
    68,977,145.32/103,297,641.88 = 45,619,658.44/x
  3. Step 3: Cross multiply
    68,977,145.32x = 103,297,641.88 × 45,619,658.44
  4. Step 4: Simplify right side
    68,977,145.32x = 4,712,403,140,223,039
  5. Step 5: Solve for x
    x = 4,712,403,140,223,039/68,977,145.32
  6. Step 6: Final answer
    x = 68,318,326.58

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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.