Home / 140,703,825.38-194,171,297.49-77,983,972.61

Finding the Fourth Proportional to 140,703,825.38, 194,171,297.49 and 77,983,972.61

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Solution

The fourth proportional to 140,703,825.38, 194,171,297.49 and 77,983,972.61 is: 107,617,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,825.38 : 194,171,297.49 = 77,983,972.61 : x
  2. Step 2: Convert to fraction form
    140,703,825.38/194,171,297.49 = 77,983,972.61/x
  3. Step 3: Cross multiply
    140,703,825.38x = 194,171,297.49 × 77,983,972.61
  4. Step 4: Simplify right side
    140,703,825.38x = 15,142,249,144,137,466
  5. Step 5: Solve for x
    x = 15,142,249,144,137,466/140,703,825.38
  6. Step 6: Final answer
    x = 107,617,892.43

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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.