Home / 69,777,854.67-104,666,775.08-18,658,544.85

Finding the Fourth Proportional to 69,777,854.67, 104,666,775.08 and 18,658,544.85

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Solution

The fourth proportional to 69,777,854.67, 104,666,775.08 and 18,658,544.85 is: 27,987,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777,854.67 : 104,666,775.08 = 18,658,544.85 : x
  2. Step 2: Convert to fraction form
    69,777,854.67/104,666,775.08 = 18,658,544.85/x
  3. Step 3: Cross multiply
    69,777,854.67x = 104,666,775.08 × 18,658,544.85
  4. Step 4: Simplify right side
    69,777,854.67x = 1,952,929,717,041,749.75
  5. Step 5: Solve for x
    x = 1,952,929,717,041,749.75/69,777,854.67
  6. Step 6: Final answer
    x = 27,987,815.42

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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.