Home / 216,004,318.38-298,086,749.33-116,885,066.72

Finding the Fourth Proportional to 216,004,318.38, 298,086,749.33 and 116,885,066.72

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Solution

The fourth proportional to 216,004,318.38, 298,086,749.33 and 116,885,066.72 is: 161,301,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,004,318.38 : 298,086,749.33 = 116,885,066.72 : x
  2. Step 2: Convert to fraction form
    216,004,318.38/298,086,749.33 = 116,885,066.72/x
  3. Step 3: Cross multiply
    216,004,318.38x = 298,086,749.33 × 116,885,066.72
  4. Step 4: Simplify right side
    216,004,318.38x = 34,841,889,581,710,104
  5. Step 5: Solve for x
    x = 34,841,889,581,710,104/216,004,318.38
  6. Step 6: Final answer
    x = 161,301,819.53

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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.