Home / 82,040,563.80-122,983,863.30-30,956,909.40

Finding the Fourth Proportional to 82,040,563.80, 122,983,863.30 and 30,956,909.40

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Solution

The fourth proportional to 82,040,563.80, 122,983,863.30 and 30,956,909.40 is: 46,406,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,040,563.80 : 122,983,863.30 = 30,956,909.40 : x
  2. Step 2: Convert to fraction form
    82,040,563.80/122,983,863.30 = 30,956,909.40/x
  3. Step 3: Cross multiply
    82,040,563.80x = 122,983,863.30 × 30,956,909.40
  4. Step 4: Simplify right side
    82,040,563.80x = 3,807,200,313,840,084.50
  5. Step 5: Solve for x
    x = 3,807,200,313,840,084.50/82,040,563.80
  6. Step 6: Final answer
    x = 46,406,315.82

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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.