Home / 68,905,918.05-103,353,453.28-30,043,452.93

Finding the Fourth Proportional to 68,905,918.05, 103,353,453.28 and 30,043,452.93

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Solution

The fourth proportional to 68,905,918.05, 103,353,453.28 and 30,043,452.93 is: 45,062,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905,918.05 : 103,353,453.28 = 30,043,452.93 : x
  2. Step 2: Convert to fraction form
    68,905,918.05/103,353,453.28 = 30,043,452.93/x
  3. Step 3: Cross multiply
    68,905,918.05x = 103,353,453.28 × 30,043,452.93
  4. Step 4: Simplify right side
    68,905,918.05x = 3,105,094,608,770,634
  5. Step 5: Solve for x
    x = 3,105,094,608,770,634/68,905,918.05
  6. Step 6: Final answer
    x = 45,062,814.58

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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.