Home / 67,788,002.80-101,682,004.20-39,122,556.40

Finding the Fourth Proportional to 67,788,002.80, 101,682,004.20 and 39,122,556.40

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Solution

The fourth proportional to 67,788,002.80, 101,682,004.20 and 39,122,556.40 is: 58,683,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,788,002.80 : 101,682,004.20 = 39,122,556.40 : x
  2. Step 2: Convert to fraction form
    67,788,002.80/101,682,004.20 = 39,122,556.40/x
  3. Step 3: Cross multiply
    67,788,002.80x = 101,682,004.20 × 39,122,556.40
  4. Step 4: Simplify right side
    67,788,002.80x = 3,978,059,944,179,537
  5. Step 5: Solve for x
    x = 3,978,059,944,179,537/67,788,002.80
  6. Step 6: Final answer
    x = 58,683,834.60

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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.