Home / 108,631,164.42-149,906,444.85-61,591,402.62

Finding the Fourth Proportional to 108,631,164.42, 149,906,444.85 and 61,591,402.62

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Solution

The fourth proportional to 108,631,164.42, 149,906,444.85 and 61,591,402.62 is: 84,993,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,631,164.42 : 149,906,444.85 = 61,591,402.62 : x
  2. Step 2: Convert to fraction form
    108,631,164.42/149,906,444.85 = 61,591,402.62/x
  3. Step 3: Cross multiply
    108,631,164.42x = 149,906,444.85 × 61,591,402.62
  4. Step 4: Simplify right side
    108,631,164.42x = 9,232,948,200,089,174
  5. Step 5: Solve for x
    x = 9,232,948,200,089,174/108,631,164.42
  6. Step 6: Final answer
    x = 84,993,549.04

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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.