Home / 255,540,263-352,645,563.12-145,542,211.16

Finding the Fourth Proportional to 255,540,263, 352,645,563.12 and 145,542,211.16

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Solution

The fourth proportional to 255,540,263, 352,645,563.12 and 145,542,211.16 is: 200,848,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,540,263 : 352,645,563.12 = 145,542,211.16 : x
  2. Step 2: Convert to fraction form
    255,540,263/352,645,563.12 = 145,542,211.16/x
  3. Step 3: Cross multiply
    255,540,263x = 352,645,563.12 × 145,542,211.16
  4. Step 4: Simplify right side
    255,540,263x = 51,324,815,012,248,144
  5. Step 5: Solve for x
    x = 51,324,815,012,248,144/255,540,263
  6. Step 6: Final answer
    x = 200,848,251.50

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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.