Home / 139,968,261.20-209,952,391.80-96,886,110.80

Finding the Fourth Proportional to 139,968,261.20, 209,952,391.80 and 96,886,110.80

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Solution

The fourth proportional to 139,968,261.20, 209,952,391.80 and 96,886,110.80 is: 145,329,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,261.20 : 209,952,391.80 = 96,886,110.80 : x
  2. Step 2: Convert to fraction form
    139,968,261.20/209,952,391.80 = 96,886,110.80/x
  3. Step 3: Cross multiply
    139,968,261.20x = 209,952,391.80 × 96,886,110.80
  4. Step 4: Simplify right side
    139,968,261.20x = 20,341,470,694,659,812
  5. Step 5: Solve for x
    x = 20,341,470,694,659,812/139,968,261.20
  6. Step 6: Final answer
    x = 145,329,166.20

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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.