Home / 128,110,183.02-192,084,525-108,686,211.30

Finding the Fourth Proportional to 128,110,183.02, 192,084,525 and 108,686,211.30

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Solution

The fourth proportional to 128,110,183.02, 192,084,525 and 108,686,211.30 is: 162,960,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,110,183.02 : 192,084,525 = 108,686,211.30 : x
  2. Step 2: Convert to fraction form
    128,110,183.02/192,084,525 = 108,686,211.30/x
  3. Step 3: Cross multiply
    128,110,183.02x = 192,084,525 × 108,686,211.30
  4. Step 4: Simplify right side
    128,110,183.02x = 20,876,939,271,610,132
  5. Step 5: Solve for x
    x = 20,876,939,271,610,132/128,110,183.02
  6. Step 6: Final answer
    x = 162,960,810.60

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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.