Home / 69,192,801.72-103,790,208.60-18,074,826

Finding the Fourth Proportional to 69,192,801.72, 103,790,208.60 and 18,074,826

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Solution

The fourth proportional to 69,192,801.72, 103,790,208.60 and 18,074,826 is: 27,112,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192,801.72 : 103,790,208.60 = 18,074,826 : x
  2. Step 2: Convert to fraction form
    69,192,801.72/103,790,208.60 = 18,074,826/x
  3. Step 3: Cross multiply
    69,192,801.72x = 103,790,208.60 × 18,074,826
  4. Step 4: Simplify right side
    69,192,801.72x = 1,875,989,960,948,703.50
  5. Step 5: Solve for x
    x = 1,875,989,960,948,703.50/69,192,801.72
  6. Step 6: Final answer
    x = 27,112,501.80

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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.