Home / 45,433,963.80-68,174,565.30-19,877,556.60

Finding the Fourth Proportional to 45,433,963.80, 68,174,565.30 and 19,877,556.60

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Solution

The fourth proportional to 45,433,963.80, 68,174,565.30 and 19,877,556.60 is: 29,826,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433,963.80 : 68,174,565.30 = 19,877,556.60 : x
  2. Step 2: Convert to fraction form
    45,433,963.80/68,174,565.30 = 19,877,556.60/x
  3. Step 3: Cross multiply
    45,433,963.80x = 68,174,565.30 × 19,877,556.60
  4. Step 4: Simplify right side
    45,433,963.80x = 1,355,143,780,431,146
  5. Step 5: Solve for x
    x = 1,355,143,780,431,146/45,433,963.80
  6. Step 6: Final answer
    x = 29,826,668.58

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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.