Home / 51,480,145.80-71,043,988.68-30,288,404.88

Finding the Fourth Proportional to 51,480,145.80, 71,043,988.68 and 30,288,404.88

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Solution

The fourth proportional to 51,480,145.80, 71,043,988.68 and 30,288,404.88 is: 41,798,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480,145.80 : 71,043,988.68 = 30,288,404.88 : x
  2. Step 2: Convert to fraction form
    51,480,145.80/71,043,988.68 = 30,288,404.88/x
  3. Step 3: Cross multiply
    51,480,145.80x = 71,043,988.68 × 30,288,404.88
  4. Step 4: Simplify right side
    51,480,145.80x = 2,151,809,093,429,977
  5. Step 5: Solve for x
    x = 2,151,809,093,429,977/51,480,145.80
  6. Step 6: Final answer
    x = 41,798,815.06

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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.