Home / 142,088,272.20-213,132,408.30-96,171,769.80

Finding the Fourth Proportional to 142,088,272.20, 213,132,408.30 and 96,171,769.80

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Solution

The fourth proportional to 142,088,272.20, 213,132,408.30 and 96,171,769.80 is: 144,257,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,088,272.20 : 213,132,408.30 = 96,171,769.80 : x
  2. Step 2: Convert to fraction form
    142,088,272.20/213,132,408.30 = 96,171,769.80/x
  3. Step 3: Cross multiply
    142,088,272.20x = 213,132,408.30 × 96,171,769.80
  4. Step 4: Simplify right side
    142,088,272.20x = 20,497,320,907,947,208
  5. Step 5: Solve for x
    x = 20,497,320,907,947,208/142,088,272.20
  6. Step 6: Final answer
    x = 144,257,654.70

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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.