Home / 211,968,022.80-317,952,034.20-147,134,845.20

Finding the Fourth Proportional to 211,968,022.80, 317,952,034.20 and 147,134,845.20

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Solution

The fourth proportional to 211,968,022.80, 317,952,034.20 and 147,134,845.20 is: 220,702,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968,022.80 : 317,952,034.20 = 147,134,845.20 : x
  2. Step 2: Convert to fraction form
    211,968,022.80/317,952,034.20 = 147,134,845.20/x
  3. Step 3: Cross multiply
    211,968,022.80x = 317,952,034.20 × 147,134,845.20
  4. Step 4: Simplify right side
    211,968,022.80x = 46,781,823,333,042,104
  5. Step 5: Solve for x
    x = 46,781,823,333,042,104/211,968,022.80
  6. Step 6: Final answer
    x = 220,702,267.80

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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.