Home / 108,103,190.78-162,413,475.57-69,317,632.46

Finding the Fourth Proportional to 108,103,190.78, 162,413,475.57 and 69,317,632.46

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Solution

The fourth proportional to 108,103,190.78, 162,413,475.57 and 69,317,632.46 is: 104,142,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,190.78 : 162,413,475.57 = 69,317,632.46 : x
  2. Step 2: Convert to fraction form
    108,103,190.78/162,413,475.57 = 69,317,632.46/x
  3. Step 3: Cross multiply
    108,103,190.78x = 162,413,475.57 × 69,317,632.46
  4. Step 4: Simplify right side
    108,103,190.78x = 11,258,117,605,604,906
  5. Step 5: Solve for x
    x = 11,258,117,605,604,906/108,103,190.78
  6. Step 6: Final answer
    x = 104,142,324.80

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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.