Home / 140,505,038.96-193,899,249.94-76,924,317.65

Finding the Fourth Proportional to 140,505,038.96, 193,899,249.94 and 76,924,317.65

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Solution

The fourth proportional to 140,505,038.96, 193,899,249.94 and 76,924,317.65 is: 106,156,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,505,038.96 : 193,899,249.94 = 76,924,317.65 : x
  2. Step 2: Convert to fraction form
    140,505,038.96/193,899,249.94 = 76,924,317.65/x
  3. Step 3: Cross multiply
    140,505,038.96x = 193,899,249.94 × 76,924,317.65
  4. Step 4: Simplify right side
    140,505,038.96x = 14,915,567,493,627,886
  5. Step 5: Solve for x
    x = 14,915,567,493,627,886/140,505,038.96
  6. Step 6: Final answer
    x = 106,156,815.47

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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.