Home / 139,968,248.20-209,952,372.30-49,101,022.60

Finding the Fourth Proportional to 139,968,248.20, 209,952,372.30 and 49,101,022.60

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Solution

The fourth proportional to 139,968,248.20, 209,952,372.30 and 49,101,022.60 is: 73,651,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,248.20 : 209,952,372.30 = 49,101,022.60 : x
  2. Step 2: Convert to fraction form
    139,968,248.20/209,952,372.30 = 49,101,022.60/x
  3. Step 3: Cross multiply
    139,968,248.20x = 209,952,372.30 × 49,101,022.60
  4. Step 4: Simplify right side
    139,968,248.20x = 10,308,876,177,225,914
  5. Step 5: Solve for x
    x = 10,308,876,177,225,914/139,968,248.20
  6. Step 6: Final answer
    x = 73,651,533.90

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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.