Home / 51,519,103.16-71,098,067.40-28,315,052.60

Finding the Fourth Proportional to 51,519,103.16, 71,098,067.40 and 28,315,052.60

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Solution

The fourth proportional to 51,519,103.16, 71,098,067.40 and 28,315,052.60 is: 39,075,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,103.16 : 71,098,067.40 = 28,315,052.60 : x
  2. Step 2: Convert to fraction form
    51,519,103.16/71,098,067.40 = 28,315,052.60/x
  3. Step 3: Cross multiply
    51,519,103.16x = 71,098,067.40 × 28,315,052.60
  4. Step 4: Simplify right side
    51,519,103.16x = 2,013,145,518,189,345.50
  5. Step 5: Solve for x
    x = 2,013,145,518,189,345.50/51,519,103.16
  6. Step 6: Final answer
    x = 39,075,709.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.