Home / 108,516,896.40-162,775,344.60-100,202,797.20

Finding the Fourth Proportional to 108,516,896.40, 162,775,344.60 and 100,202,797.20

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Solution

The fourth proportional to 108,516,896.40, 162,775,344.60 and 100,202,797.20 is: 150,304,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,516,896.40 : 162,775,344.60 = 100,202,797.20 : x
  2. Step 2: Convert to fraction form
    108,516,896.40/162,775,344.60 = 100,202,797.20/x
  3. Step 3: Cross multiply
    108,516,896.40x = 162,775,344.60 × 100,202,797.20
  4. Step 4: Simplify right side
    108,516,896.40x = 16,310,544,844,113,916
  5. Step 5: Solve for x
    x = 16,310,544,844,113,916/108,516,896.40
  6. Step 6: Final answer
    x = 150,304,195.80

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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.