Home / 139,968,121.30-209,952,181.95-49,058,905.30

Finding the Fourth Proportional to 139,968,121.30, 209,952,181.95 and 49,058,905.30

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Solution

The fourth proportional to 139,968,121.30, 209,952,181.95 and 49,058,905.30 is: 73,588,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,121.30 : 209,952,181.95 = 49,058,905.30 : x
  2. Step 2: Convert to fraction form
    139,968,121.30/209,952,181.95 = 49,058,905.30/x
  3. Step 3: Cross multiply
    139,968,121.30x = 209,952,181.95 × 49,058,905.30
  4. Step 4: Simplify right side
    139,968,121.30x = 10,300,024,211,813,418
  5. Step 5: Solve for x
    x = 10,300,024,211,813,418/139,968,121.30
  6. Step 6: Final answer
    x = 73,588,357.95

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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.