Home / 147,219,940.20-220,664,022.30-70,579,684.20

Finding the Fourth Proportional to 147,219,940.20, 220,664,022.30 and 70,579,684.20

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Solution

The fourth proportional to 147,219,940.20, 220,664,022.30 and 70,579,684.20 is: 105,789,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219,940.20 : 220,664,022.30 = 70,579,684.20 : x
  2. Step 2: Convert to fraction form
    147,219,940.20/220,664,022.30 = 70,579,684.20/x
  3. Step 3: Cross multiply
    147,219,940.20x = 220,664,022.30 × 70,579,684.20
  4. Step 4: Simplify right side
    147,219,940.20x = 15,574,397,008,235,760
  5. Step 5: Solve for x
    x = 15,574,397,008,235,760/147,219,940.20
  6. Step 6: Final answer
    x = 105,789,996.84

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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.