Home / 69,979,871.07-104,957,842.91-18,849,932.46

Finding the Fourth Proportional to 69,979,871.07, 104,957,842.91 and 18,849,932.46

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Solution

The fourth proportional to 69,979,871.07, 104,957,842.91 and 18,849,932.46 is: 28,271,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,871.07 : 104,957,842.91 = 18,849,932.46 : x
  2. Step 2: Convert to fraction form
    69,979,871.07/104,957,842.91 = 18,849,932.46/x
  3. Step 3: Cross multiply
    69,979,871.07x = 104,957,842.91 × 18,849,932.46
  4. Step 4: Simplify right side
    69,979,871.07x = 1,978,448,249,906,540.25
  5. Step 5: Solve for x
    x = 1,978,448,249,906,540.25/69,979,871.07
  6. Step 6: Final answer
    x = 28,271,676.12

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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.