Home / 203,005,426.43-280,139,986.96-110,183,941.37

Finding the Fourth Proportional to 203,005,426.43, 280,139,986.96 and 110,183,941.37

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Solution

The fourth proportional to 203,005,426.43, 280,139,986.96 and 110,183,941.37 is: 152,049,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,426.43 : 280,139,986.96 = 110,183,941.37 : x
  2. Step 2: Convert to fraction form
    203,005,426.43/280,139,986.96 = 110,183,941.37/x
  3. Step 3: Cross multiply
    203,005,426.43x = 280,139,986.96 × 110,183,941.37
  4. Step 4: Simplify right side
    203,005,426.43x = 30,866,927,899,018,092
  5. Step 5: Solve for x
    x = 30,866,927,899,018,092/203,005,426.43
  6. Step 6: Final answer
    x = 152,049,767.54

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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.