Home / 43,471,984.35-65,207,976.53-28,166,483.55

Finding the Fourth Proportional to 43,471,984.35, 65,207,976.53 and 28,166,483.55

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Solution

The fourth proportional to 43,471,984.35, 65,207,976.53 and 28,166,483.55 is: 42,249,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471,984.35 : 65,207,976.53 = 28,166,483.55 : x
  2. Step 2: Convert to fraction form
    43,471,984.35/65,207,976.53 = 28,166,483.55/x
  3. Step 3: Cross multiply
    43,471,984.35x = 65,207,976.53 × 28,166,483.55
  4. Step 4: Simplify right side
    43,471,984.35x = 1,836,679,398,120,198.75
  5. Step 5: Solve for x
    x = 1,836,679,398,120,198.75/43,471,984.35
  6. Step 6: Final answer
    x = 42,249,725.33

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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.