Home / 45,301,321.52-67,926,075.24-21,027,759.92

Finding the Fourth Proportional to 45,301,321.52, 67,926,075.24 and 21,027,759.92

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Solution

The fourth proportional to 45,301,321.52, 67,926,075.24 and 21,027,759.92 is: 31,529,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301,321.52 : 67,926,075.24 = 21,027,759.92 : x
  2. Step 2: Convert to fraction form
    45,301,321.52/67,926,075.24 = 21,027,759.92/x
  3. Step 3: Cross multiply
    45,301,321.52x = 67,926,075.24 × 21,027,759.92
  4. Step 4: Simplify right side
    45,301,321.52x = 1,428,333,202,454,576.50
  5. Step 5: Solve for x
    x = 1,428,333,202,454,576.50/45,301,321.52
  6. Step 6: Final answer
    x = 31,529,614.47

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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.