Home / 216,515,123.10-324,134,955.45-203,902,256.70

Finding the Fourth Proportional to 216,515,123.10, 324,134,955.45 and 203,902,256.70

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Solution

The fourth proportional to 216,515,123.10, 324,134,955.45 and 203,902,256.70 is: 305,252,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,515,123.10 : 324,134,955.45 = 203,902,256.70 : x
  2. Step 2: Convert to fraction form
    216,515,123.10/324,134,955.45 = 203,902,256.70/x
  3. Step 3: Cross multiply
    216,515,123.10x = 324,134,955.45 × 203,902,256.70
  4. Step 4: Simplify right side
    216,515,123.10x = 66,091,848,891,608,960
  5. Step 5: Solve for x
    x = 66,091,848,891,608,960/216,515,123.10
  6. Step 6: Final answer
    x = 305,252,806.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.