Home / 74,860,107.70-112,290,161.55-63,900,613.30

Finding the Fourth Proportional to 74,860,107.70, 112,290,161.55 and 63,900,613.30

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Solution

The fourth proportional to 74,860,107.70, 112,290,161.55 and 63,900,613.30 is: 95,850,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860,107.70 : 112,290,161.55 = 63,900,613.30 : x
  2. Step 2: Convert to fraction form
    74,860,107.70/112,290,161.55 = 63,900,613.30/x
  3. Step 3: Cross multiply
    74,860,107.70x = 112,290,161.55 × 63,900,613.30
  4. Step 4: Simplify right side
    74,860,107.70x = 7,175,410,190,601,078
  5. Step 5: Solve for x
    x = 7,175,410,190,601,078/74,860,107.70
  6. Step 6: Final answer
    x = 95,850,919.95

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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.