Home / 211,768,484.20-317,589,740.70-82,301,583.40

Finding the Fourth Proportional to 211,768,484.20, 317,589,740.70 and 82,301,583.40

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Solution

The fourth proportional to 211,768,484.20, 317,589,740.70 and 82,301,583.40 is: 123,427,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,768,484.20 : 317,589,740.70 = 82,301,583.40 : x
  2. Step 2: Convert to fraction form
    211,768,484.20/317,589,740.70 = 82,301,583.40/x
  3. Step 3: Cross multiply
    211,768,484.20x = 317,589,740.70 × 82,301,583.40
  4. Step 4: Simplify right side
    211,768,484.20x = 26,138,138,531,205,424
  5. Step 5: Solve for x
    x = 26,138,138,531,205,424/211,768,484.20
  6. Step 6: Final answer
    x = 123,427,896.41

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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.