Home / 216,161,200-324,275,392.32-72,587,624.32

Finding the Fourth Proportional to 216,161,200, 324,275,392.32 and 72,587,624.32

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Solution

The fourth proportional to 216,161,200, 324,275,392.32 and 72,587,624.32 is: 108,892,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,161,200 : 324,275,392.32 = 72,587,624.32 : x
  2. Step 2: Convert to fraction form
    216,161,200/324,275,392.32 = 72,587,624.32/x
  3. Step 3: Cross multiply
    216,161,200x = 324,275,392.32 × 72,587,624.32
  4. Step 4: Simplify right side
    216,161,200x = 23,538,380,353,944,772
  5. Step 5: Solve for x
    x = 23,538,380,353,944,772/216,161,200
  6. Step 6: Final answer
    x = 108,892,716.89

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1.5x scale

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.