Home / 81,653,404.20-122,480,106.30-30,524,843.40

Finding the Fourth Proportional to 81,653,404.20, 122,480,106.30 and 30,524,843.40

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Solution

The fourth proportional to 81,653,404.20, 122,480,106.30 and 30,524,843.40 is: 45,787,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,653,404.20 : 122,480,106.30 = 30,524,843.40 : x
  2. Step 2: Convert to fraction form
    81,653,404.20/122,480,106.30 = 30,524,843.40/x
  3. Step 3: Cross multiply
    81,653,404.20x = 122,480,106.30 × 30,524,843.40
  4. Step 4: Simplify right side
    81,653,404.20x = 3,738,686,064,422,853
  5. Step 5: Solve for x
    x = 3,738,686,064,422,853/81,653,404.20
  6. Step 6: Final answer
    x = 45,787,265.10

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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.