Home / 90,482,022.40-135,728,282.40-25,790,562.40

Finding the Fourth Proportional to 90,482,022.40, 135,728,282.40 and 25,790,562.40

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Solution

The fourth proportional to 90,482,022.40, 135,728,282.40 and 25,790,562.40 is: 38,687,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,482,022.40 : 135,728,282.40 = 25,790,562.40 : x
  2. Step 2: Convert to fraction form
    90,482,022.40/135,728,282.40 = 25,790,562.40/x
  3. Step 3: Cross multiply
    90,482,022.40x = 135,728,282.40 × 25,790,562.40
  4. Step 4: Simplify right side
    90,482,022.40x = 3,500,508,736,682,021.50
  5. Step 5: Solve for x
    x = 3,500,508,736,682,021.50/90,482,022.40
  6. Step 6: Final answer
    x = 38,687,339.69

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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.