Home / 221,392,509.30-332,230,481.55-129,276,069.30

Finding the Fourth Proportional to 221,392,509.30, 332,230,481.55 and 129,276,069.30

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Solution

The fourth proportional to 221,392,509.30, 332,230,481.55 and 129,276,069.30 is: 193,996,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,392,509.30 : 332,230,481.55 = 129,276,069.30 : x
  2. Step 2: Convert to fraction form
    221,392,509.30/332,230,481.55 = 129,276,069.30/x
  3. Step 3: Cross multiply
    221,392,509.30x = 332,230,481.55 × 129,276,069.30
  4. Step 4: Simplify right side
    221,392,509.30x = 42,949,450,756,430,168
  5. Step 5: Solve for x
    x = 42,949,450,756,430,168/221,392,509.30
  6. Step 6: Final answer
    x = 193,996,856.05

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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.