Home / 108,251,346.78-149,242,343.40-85,998,169.26

Finding the Fourth Proportional to 108,251,346.78, 149,242,343.40 and 85,998,169.26

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Solution

The fourth proportional to 108,251,346.78, 149,242,343.40 and 85,998,169.26 is: 118,562,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,251,346.78 : 149,242,343.40 = 85,998,169.26 : x
  2. Step 2: Convert to fraction form
    108,251,346.78/149,242,343.40 = 85,998,169.26/x
  3. Step 3: Cross multiply
    108,251,346.78x = 149,242,343.40 × 85,998,169.26
  4. Step 4: Simplify right side
    108,251,346.78x = 12,834,568,308,472,246
  5. Step 5: Solve for x
    x = 12,834,568,308,472,246/108,251,346.78
  6. Step 6: Final answer
    x = 118,562,666.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.