Home / 116,690,914.35-161,042,641.46-66,457,256.97

Finding the Fourth Proportional to 116,690,914.35, 161,042,641.46 and 66,457,256.97

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Solution

The fourth proportional to 116,690,914.35, 161,042,641.46 and 66,457,256.97 is: 91,716,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,690,914.35 : 161,042,641.46 = 66,457,256.97 : x
  2. Step 2: Convert to fraction form
    116,690,914.35/161,042,641.46 = 66,457,256.97/x
  3. Step 3: Cross multiply
    116,690,914.35x = 161,042,641.46 × 66,457,256.97
  4. Step 4: Simplify right side
    116,690,914.35x = 10,702,452,206,634,796
  5. Step 5: Solve for x
    x = 10,702,452,206,634,796/116,690,914.35
  6. Step 6: Final answer
    x = 91,716,242.57

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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.