Home / 221,452,620.30-332,178,930.45-208,698,036.30

Finding the Fourth Proportional to 221,452,620.30, 332,178,930.45 and 208,698,036.30

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Solution

The fourth proportional to 221,452,620.30, 332,178,930.45 and 208,698,036.30 is: 313,047,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452,620.30 : 332,178,930.45 = 208,698,036.30 : x
  2. Step 2: Convert to fraction form
    221,452,620.30/332,178,930.45 = 208,698,036.30/x
  3. Step 3: Cross multiply
    221,452,620.30x = 332,178,930.45 × 208,698,036.30
  4. Step 4: Simplify right side
    221,452,620.30x = 69,325,090,485,149,280
  5. Step 5: Solve for x
    x = 69,325,090,485,149,280/221,452,620.30
  6. Step 6: Final answer
    x = 313,047,054.45

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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.