Home / 191,825,321.72-264,708,075.06-108,188,453.43

Finding the Fourth Proportional to 191,825,321.72, 264,708,075.06 and 108,188,453.43

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Solution

The fourth proportional to 191,825,321.72, 264,708,075.06 and 108,188,453.43 is: 149,293,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,825,321.72 : 264,708,075.06 = 108,188,453.43 : x
  2. Step 2: Convert to fraction form
    191,825,321.72/264,708,075.06 = 108,188,453.43/x
  3. Step 3: Cross multiply
    191,825,321.72x = 264,708,075.06 × 108,188,453.43
  4. Step 4: Simplify right side
    191,825,321.72x = 28,638,357,251,173,756
  5. Step 5: Solve for x
    x = 28,638,357,251,173,756/191,825,321.72
  6. Step 6: Final answer
    x = 149,293,935.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.