Home / 203,005,461.57-280,140,035.37-110,183,976.51

Finding the Fourth Proportional to 203,005,461.57, 280,140,035.37 and 110,183,976.51

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Solution

The fourth proportional to 203,005,461.57, 280,140,035.37 and 110,183,976.51 is: 152,049,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,461.57 : 280,140,035.37 = 110,183,976.51 : x
  2. Step 2: Convert to fraction form
    203,005,461.57/280,140,035.37 = 110,183,976.51/x
  3. Step 3: Cross multiply
    203,005,461.57x = 280,140,035.37 × 110,183,976.51
  4. Step 4: Simplify right side
    203,005,461.57x = 30,866,943,076,718,652
  5. Step 5: Solve for x
    x = 30,866,943,076,718,652/203,005,461.57
  6. Step 6: Final answer
    x = 152,049,815.99

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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.