Home / 216,619,896.88-298,933,688.36-117,500,396.16

Finding the Fourth Proportional to 216,619,896.88, 298,933,688.36 and 117,500,396.16

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Solution

The fourth proportional to 216,619,896.88, 298,933,688.36 and 117,500,396.16 is: 162,149,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,896.88 : 298,933,688.36 = 117,500,396.16 : x
  2. Step 2: Convert to fraction form
    216,619,896.88/298,933,688.36 = 117,500,396.16/x
  3. Step 3: Cross multiply
    216,619,896.88x = 298,933,688.36 × 117,500,396.16
  4. Step 4: Simplify right side
    216,619,896.88x = 35,124,826,807,869,980
  5. Step 5: Solve for x
    x = 35,124,826,807,869,980/216,619,896.88
  6. Step 6: Final answer
    x = 162,149,586.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.