Home / 74,626,015.20-111,939,022.80-48,797,982.60

Finding the Fourth Proportional to 74,626,015.20, 111,939,022.80 and 48,797,982.60

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Solution

The fourth proportional to 74,626,015.20, 111,939,022.80 and 48,797,982.60 is: 73,196,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,626,015.20 : 111,939,022.80 = 48,797,982.60 : x
  2. Step 2: Convert to fraction form
    74,626,015.20/111,939,022.80 = 48,797,982.60/x
  3. Step 3: Cross multiply
    74,626,015.20x = 111,939,022.80 × 48,797,982.60
  4. Step 4: Simplify right side
    74,626,015.20x = 5,462,398,486,855,403
  5. Step 5: Solve for x
    x = 5,462,398,486,855,403/74,626,015.20
  6. Step 6: Final answer
    x = 73,196,973.90

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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.