Home / 147,516,818.20-220,827,329.70-131,392,504.60

Finding the Fourth Proportional to 147,516,818.20, 220,827,329.70 and 131,392,504.60

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Solution

The fourth proportional to 147,516,818.20, 220,827,329.70 and 131,392,504.60 is: 196,689,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,516,818.20 : 220,827,329.70 = 131,392,504.60 : x
  2. Step 2: Convert to fraction form
    147,516,818.20/220,827,329.70 = 131,392,504.60/x
  3. Step 3: Cross multiply
    147,516,818.20x = 220,827,329.70 × 131,392,504.60
  4. Step 4: Simplify right side
    147,516,818.20x = 29,015,055,933,412,964
  5. Step 5: Solve for x
    x = 29,015,055,933,412,964/147,516,818.20
  6. Step 6: Final answer
    x = 196,689,816.71

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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.