Home / 139,968,165.30-209,952,247.95-122,052,261.30

Finding the Fourth Proportional to 139,968,165.30, 209,952,247.95 and 122,052,261.30

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Solution

The fourth proportional to 139,968,165.30, 209,952,247.95 and 122,052,261.30 is: 183,078,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,165.30 : 209,952,247.95 = 122,052,261.30 : x
  2. Step 2: Convert to fraction form
    139,968,165.30/209,952,247.95 = 122,052,261.30/x
  3. Step 3: Cross multiply
    139,968,165.30x = 209,952,247.95 × 122,052,261.30
  4. Step 4: Simplify right side
    139,968,165.30x = 25,625,146,627,315,788
  5. Step 5: Solve for x
    x = 25,625,146,627,315,788/139,968,165.30
  6. Step 6: Final answer
    x = 183,078,391.95

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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.