Home / 117,996,579.45-162,835,961.99-65,788,865.37

Finding the Fourth Proportional to 117,996,579.45, 162,835,961.99 and 65,788,865.37

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Solution

The fourth proportional to 117,996,579.45, 162,835,961.99 and 65,788,865.37 is: 90,789,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,996,579.45 : 162,835,961.99 = 65,788,865.37 : x
  2. Step 2: Convert to fraction form
    117,996,579.45/162,835,961.99 = 65,788,865.37/x
  3. Step 3: Cross multiply
    117,996,579.45x = 162,835,961.99 × 65,788,865.37
  4. Step 4: Simplify right side
    117,996,579.45x = 10,712,793,180,425,604
  5. Step 5: Solve for x
    x = 10,712,793,180,425,604/117,996,579.45
  6. Step 6: Final answer
    x = 90,789,014.65

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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.