Home / 139,968,128.20-209,952,192.30-131,010,176.20

Finding the Fourth Proportional to 139,968,128.20, 209,952,192.30 and 131,010,176.20

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Solution

The fourth proportional to 139,968,128.20, 209,952,192.30 and 131,010,176.20 is: 196,515,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,128.20 : 209,952,192.30 = 131,010,176.20 : x
  2. Step 2: Convert to fraction form
    139,968,128.20/209,952,192.30 = 131,010,176.20/x
  3. Step 3: Cross multiply
    139,968,128.20x = 209,952,192.30 × 131,010,176.20
  4. Step 4: Simplify right side
    139,968,128.20x = 27,505,873,706,799,284
  5. Step 5: Solve for x
    x = 27,505,873,706,799,284/139,968,128.20
  6. Step 6: Final answer
    x = 196,515,264.30

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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.