Home / 227,086,071.89-313,378,916.50-122,664,189.35

Finding the Fourth Proportional to 227,086,071.89, 313,378,916.50 and 122,664,189.35

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Solution

The fourth proportional to 227,086,071.89, 313,378,916.50 and 122,664,189.35 is: 169,276,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,086,071.89 : 313,378,916.50 = 122,664,189.35 : x
  2. Step 2: Convert to fraction form
    227,086,071.89/313,378,916.50 = 122,664,189.35/x
  3. Step 3: Cross multiply
    227,086,071.89x = 313,378,916.50 × 122,664,189.35
  4. Step 4: Simplify right side
    227,086,071.89x = 38,440,370,749,980,288
  5. Step 5: Solve for x
    x = 38,440,370,749,980,288/227,086,071.89
  6. Step 6: Final answer
    x = 169,276,655.46

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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.