Home / 116,690,913.35-161,042,640.08-66,457,255.97

Finding the Fourth Proportional to 116,690,913.35, 161,042,640.08 and 66,457,255.97

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Solution

The fourth proportional to 116,690,913.35, 161,042,640.08 and 66,457,255.97 is: 91,716,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,690,913.35 : 161,042,640.08 = 66,457,255.97 : x
  2. Step 2: Convert to fraction form
    116,690,913.35/161,042,640.08 = 66,457,255.97/x
  3. Step 3: Cross multiply
    116,690,913.35x = 161,042,640.08 × 66,457,255.97
  4. Step 4: Simplify right side
    116,690,913.35x = 10,702,451,954,449,892
  5. Step 5: Solve for x
    x = 10,702,451,954,449,892/116,690,913.35
  6. Step 6: Final answer
    x = 91,716,241.20

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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.