Home / 144,639,348.54-199,603,767.15-78,560,485.26

Finding the Fourth Proportional to 144,639,348.54, 199,603,767.15 and 78,560,485.26

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Solution

The fourth proportional to 144,639,348.54, 199,603,767.15 and 78,560,485.26 is: 108,414,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,639,348.54 : 199,603,767.15 = 78,560,485.26 : x
  2. Step 2: Convert to fraction form
    144,639,348.54/199,603,767.15 = 78,560,485.26/x
  3. Step 3: Cross multiply
    144,639,348.54x = 199,603,767.15 × 78,560,485.26
  4. Step 4: Simplify right side
    144,639,348.54x = 15,680,968,807,028,048
  5. Step 5: Solve for x
    x = 15,680,968,807,028,048/144,639,348.54
  6. Step 6: Final answer
    x = 108,414,266.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.