Home / 140,899,406.40-194,442,589.26-79,018,416.36

Finding the Fourth Proportional to 140,899,406.40, 194,442,589.26 and 79,018,416.36

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Solution

The fourth proportional to 140,899,406.40, 194,442,589.26 and 79,018,416.36 is: 109,046,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,899,406.40 : 194,442,589.26 = 79,018,416.36 : x
  2. Step 2: Convert to fraction form
    140,899,406.40/194,442,589.26 = 79,018,416.36/x
  3. Step 3: Cross multiply
    140,899,406.40x = 194,442,589.26 × 79,018,416.36
  4. Step 4: Simplify right side
    140,899,406.40x = 15,364,545,476,263,144
  5. Step 5: Solve for x
    x = 15,364,545,476,263,144/140,899,406.40
  6. Step 6: Final answer
    x = 109,046,204.44

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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.