Home / 141,173,435.78-194,825,198.46-78,449,299.53

Finding the Fourth Proportional to 141,173,435.78, 194,825,198.46 and 78,449,299.53

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Solution

The fourth proportional to 141,173,435.78, 194,825,198.46 and 78,449,299.53 is: 108,263,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,173,435.78 : 194,825,198.46 = 78,449,299.53 : x
  2. Step 2: Convert to fraction form
    141,173,435.78/194,825,198.46 = 78,449,299.53/x
  3. Step 3: Cross multiply
    141,173,435.78x = 194,825,198.46 × 78,449,299.53
  4. Step 4: Simplify right side
    141,173,435.78x = 15,283,900,349,980,236
  5. Step 5: Solve for x
    x = 15,283,900,349,980,236/141,173,435.78
  6. Step 6: Final answer
    x = 108,263,288.10

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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.