Home / 108,103,187.86-162,413,471.12-69,317,629.54

Finding the Fourth Proportional to 108,103,187.86, 162,413,471.12 and 69,317,629.54

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Solution

The fourth proportional to 108,103,187.86, 162,413,471.12 and 69,317,629.54 is: 104,142,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,187.86 : 162,413,471.12 = 69,317,629.54 : x
  2. Step 2: Convert to fraction form
    108,103,187.86/162,413,471.12 = 69,317,629.54/x
  3. Step 3: Cross multiply
    108,103,187.86x = 162,413,471.12 × 69,317,629.54
  4. Step 4: Simplify right side
    108,103,187.86x = 11,258,116,823,574,944
  5. Step 5: Solve for x
    x = 11,258,116,823,574,944/108,103,187.86
  6. Step 6: Final answer
    x = 104,142,320.38

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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.