Home / 168,641,767,496.67-252,953,340,025.08-123,308,930,891.21

Finding the Fourth Proportional to 168,641,767,496.67, 252,953,340,025.08 and 123,308,930,891.21

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Solution

The fourth proportional to 168,641,767,496.67, 252,953,340,025.08 and 123,308,930,891.21 is: 184,956,588,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,641,767,496.67 : 252,953,340,025.08 = 123,308,930,891.21 : x
  2. Step 2: Convert to fraction form
    168,641,767,496.67/252,953,340,025.08 = 123,308,930,891.21/x
  3. Step 3: Cross multiply
    168,641,767,496.67x = 252,953,340,025.08 × 123,308,930,891.21
  4. Step 4: Simplify right side
    168,641,767,496.67x = 31,191,405,923,853,332,905,984
  5. Step 5: Solve for x
    x = 31,191,405,923,853,332,905,984/168,641,767,496.67
  6. Step 6: Final answer
    x = 184,956,588,079.34

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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.