Home / 203,005,453.51-280,140,024.20-110,183,968.45

Finding the Fourth Proportional to 203,005,453.51, 280,140,024.20 and 110,183,968.45

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Solution

The fourth proportional to 203,005,453.51, 280,140,024.20 and 110,183,968.45 is: 152,049,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,453.51 : 280,140,024.20 = 110,183,968.45 : x
  2. Step 2: Convert to fraction form
    203,005,453.51/280,140,024.20 = 110,183,968.45/x
  3. Step 3: Cross multiply
    203,005,453.51x = 280,140,024.20 × 110,183,968.45
  4. Step 4: Simplify right side
    203,005,453.51x = 30,866,939,588,035,036
  5. Step 5: Solve for x
    x = 30,866,939,588,035,036/203,005,453.51
  6. Step 6: Final answer
    x = 152,049,804.84

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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.