Home / 212,321,914,203.78-293,004,230,395.50-114,663,545,745.12

Finding the Fourth Proportional to 212,321,914,203.78, 293,004,230,395.50 and 114,663,545,745.12

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Solution

The fourth proportional to 212,321,914,203.78, 293,004,230,395.50 and 114,663,545,745.12 is: 158,235,687,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,321,914,203.78 : 293,004,230,395.50 = 114,663,545,745.12 : x
  2. Step 2: Convert to fraction form
    212,321,914,203.78/293,004,230,395.50 = 114,663,545,745.12/x
  3. Step 3: Cross multiply
    212,321,914,203.78x = 293,004,230,395.50 × 114,663,545,745.12
  4. Step 4: Simplify right side
    212,321,914,203.78x = 33,596,903,975,468,092,358,656
  5. Step 5: Solve for x
    x = 33,596,903,975,468,092,358,656/212,321,914,203.78
  6. Step 6: Final answer
    x = 158,235,687,076.67

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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.