Home / 121,436,833.77-167,586,791.33-66,432,690.27

Finding the Fourth Proportional to 121,436,833.77, 167,586,791.33 and 66,432,690.27

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Solution

The fourth proportional to 121,436,833.77, 167,586,791.33 and 66,432,690.27 is: 91,679,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,436,833.77 : 167,586,791.33 = 66,432,690.27 : x
  2. Step 2: Convert to fraction form
    121,436,833.77/167,586,791.33 = 66,432,690.27/x
  3. Step 3: Cross multiply
    121,436,833.77x = 167,586,791.33 × 66,432,690.27
  4. Step 4: Simplify right side
    121,436,833.77x = 11,133,241,401,935,094
  5. Step 5: Solve for x
    x = 11,133,241,401,935,094/121,436,833.77
  6. Step 6: Final answer
    x = 91,679,279.31

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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.