Home / 139,968,370.20-209,952,555.30-88,572,120.60

Finding the Fourth Proportional to 139,968,370.20, 209,952,555.30 and 88,572,120.60

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Solution

The fourth proportional to 139,968,370.20, 209,952,555.30 and 88,572,120.60 is: 132,858,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,370.20 : 209,952,555.30 = 88,572,120.60 : x
  2. Step 2: Convert to fraction form
    139,968,370.20/209,952,555.30 = 88,572,120.60/x
  3. Step 3: Cross multiply
    139,968,370.20x = 209,952,555.30 × 88,572,120.60
  4. Step 4: Simplify right side
    139,968,370.20x = 18,595,943,048,309,768
  5. Step 5: Solve for x
    x = 18,595,943,048,309,768/139,968,370.20
  6. Step 6: Final answer
    x = 132,858,180.90

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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.