Home / 139,968,341.70-209,952,512.55-131,010,389.70

Finding the Fourth Proportional to 139,968,341.70, 209,952,512.55 and 131,010,389.70

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Solution

The fourth proportional to 139,968,341.70, 209,952,512.55 and 131,010,389.70 is: 196,515,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,341.70 : 209,952,512.55 = 131,010,389.70 : x
  2. Step 2: Convert to fraction form
    139,968,341.70/209,952,512.55 = 131,010,389.70/x
  3. Step 3: Cross multiply
    139,968,341.70x = 209,952,512.55 × 131,010,389.70
  4. Step 4: Simplify right side
    139,968,341.70x = 27,505,960,487,669,644
  5. Step 5: Solve for x
    x = 27,505,960,487,669,644/139,968,341.70
  6. Step 6: Final answer
    x = 196,515,584.55

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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.