Home / 211,645,232.08-317,344,288.08-82,101,469.16

Finding the Fourth Proportional to 211,645,232.08, 317,344,288.08 and 82,101,469.16

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Solution

The fourth proportional to 211,645,232.08, 317,344,288.08 and 82,101,469.16 is: 123,104,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,645,232.08 : 317,344,288.08 = 82,101,469.16 : x
  2. Step 2: Convert to fraction form
    211,645,232.08/317,344,288.08 = 82,101,469.16/x
  3. Step 3: Cross multiply
    211,645,232.08x = 317,344,288.08 × 82,101,469.16
  4. Step 4: Simplify right side
    211,645,232.08x = 26,054,432,280,902,272
  5. Step 5: Solve for x
    x = 26,054,432,280,902,272/211,645,232.08
  6. Step 6: Final answer
    x = 123,104,272.30

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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.