Home / 168,516,200.70-252,774,301.05-123,166,568.70

Finding the Fourth Proportional to 168,516,200.70, 252,774,301.05 and 123,166,568.70

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Solution

The fourth proportional to 168,516,200.70, 252,774,301.05 and 123,166,568.70 is: 184,749,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,516,200.70 : 252,774,301.05 = 123,166,568.70 : x
  2. Step 2: Convert to fraction form
    168,516,200.70/252,774,301.05 = 123,166,568.70/x
  3. Step 3: Cross multiply
    168,516,200.70x = 252,774,301.05 × 123,166,568.70
  4. Step 4: Simplify right side
    168,516,200.70x = 31,133,343,315,869,308
  5. Step 5: Solve for x
    x = 31,133,343,315,869,308/168,516,200.70
  6. Step 6: Final answer
    x = 184,749,853.05

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Similar ratio
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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.