Home / 203,005,462.57-280,140,036.75-110,183,977.51

Finding the Fourth Proportional to 203,005,462.57, 280,140,036.75 and 110,183,977.51

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Solution

The fourth proportional to 203,005,462.57, 280,140,036.75 and 110,183,977.51 is: 152,049,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,462.57 : 280,140,036.75 = 110,183,977.51 : x
  2. Step 2: Convert to fraction form
    203,005,462.57/280,140,036.75 = 110,183,977.51/x
  3. Step 3: Cross multiply
    203,005,462.57x = 280,140,036.75 × 110,183,977.51
  4. Step 4: Simplify right side
    203,005,462.57x = 30,866,943,508,912,576
  5. Step 5: Solve for x
    x = 30,866,943,508,912,576/203,005,462.57
  6. Step 6: Final answer
    x = 152,049,817.37

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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.