Home / 220,110,751.80-330,166,127.70-66,764,435.40

Finding the Fourth Proportional to 220,110,751.80, 330,166,127.70 and 66,764,435.40

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Solution

The fourth proportional to 220,110,751.80, 330,166,127.70 and 66,764,435.40 is: 100,146,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,110,751.80 : 330,166,127.70 = 66,764,435.40 : x
  2. Step 2: Convert to fraction form
    220,110,751.80/330,166,127.70 = 66,764,435.40/x
  3. Step 3: Cross multiply
    220,110,751.80x = 330,166,127.70 × 66,764,435.40
  4. Step 4: Simplify right side
    220,110,751.80x = 22,043,355,104,094,800
  5. Step 5: Solve for x
    x = 22,043,355,104,094,800/220,110,751.80
  6. Step 6: Final answer
    x = 100,146,653.10

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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.