Home / 216,162,822.58-324,195,609.84-99,466,240.12

Finding the Fourth Proportional to 216,162,822.58, 324,195,609.84 and 99,466,240.12

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Solution

The fourth proportional to 216,162,822.58, 324,195,609.84 and 99,466,240.12 is: 149,176,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,162,822.58 : 324,195,609.84 = 99,466,240.12 : x
  2. Step 2: Convert to fraction form
    216,162,822.58/324,195,609.84 = 99,466,240.12/x
  3. Step 3: Cross multiply
    216,162,822.58x = 324,195,609.84 × 99,466,240.12
  4. Step 4: Simplify right side
    216,162,822.58x = 32,246,518,374,195,272
  5. Step 5: Solve for x
    x = 32,246,518,374,195,272/216,162,822.58
  6. Step 6: Final answer
    x = 149,176,986.08

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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.