Home / 147,516,825.20-220,827,340.20-131,392,511.60

Finding the Fourth Proportional to 147,516,825.20, 220,827,340.20 and 131,392,511.60

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Solution

The fourth proportional to 147,516,825.20, 220,827,340.20 and 131,392,511.60 is: 196,689,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,516,825.20 : 220,827,340.20 = 131,392,511.60 : x
  2. Step 2: Convert to fraction form
    147,516,825.20/220,827,340.20 = 131,392,511.60/x
  3. Step 3: Cross multiply
    147,516,825.20x = 220,827,340.20 × 131,392,511.60
  4. Step 4: Simplify right side
    147,516,825.20x = 29,015,058,858,825,644
  5. Step 5: Solve for x
    x = 29,015,058,858,825,644/147,516,825.20
  6. Step 6: Final answer
    x = 196,689,827.21

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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.