Home / 216,524,692-298,803,751.82-117,405,259.30

Finding the Fourth Proportional to 216,524,692, 298,803,751.82 and 117,405,259.30

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Solution

The fourth proportional to 216,524,692, 298,803,751.82 and 117,405,259.30 is: 162,019,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,524,692 : 298,803,751.82 = 117,405,259.30 : x
  2. Step 2: Convert to fraction form
    216,524,692/298,803,751.82 = 117,405,259.30/x
  3. Step 3: Cross multiply
    216,524,692x = 298,803,751.82 × 117,405,259.30
  4. Step 4: Simplify right side
    216,524,692x = 35,081,131,962,239,944
  5. Step 5: Solve for x
    x = 35,081,131,962,239,944/216,524,692
  6. Step 6: Final answer
    x = 162,019,082.62

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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.