Home / 200,183,999.10-300,275,998.65-123,257,586.30

Finding the Fourth Proportional to 200,183,999.10, 300,275,998.65 and 123,257,586.30

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Solution

The fourth proportional to 200,183,999.10, 300,275,998.65 and 123,257,586.30 is: 184,886,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,183,999.10 : 300,275,998.65 = 123,257,586.30 : x
  2. Step 2: Convert to fraction form
    200,183,999.10/300,275,998.65 = 123,257,586.30/x
  3. Step 3: Cross multiply
    200,183,999.10x = 300,275,998.65 × 123,257,586.30
  4. Step 4: Simplify right side
    200,183,999.10x = 37,011,294,817,421,056
  5. Step 5: Solve for x
    x = 37,011,294,817,421,056/200,183,999.10
  6. Step 6: Final answer
    x = 184,886,379.45

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1.5x scale

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.