Home / 216,959,023.56-299,405,651.76-117,840,728.64

Finding the Fourth Proportional to 216,959,023.56, 299,405,651.76 and 117,840,728.64

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Solution

The fourth proportional to 216,959,023.56, 299,405,651.76 and 117,840,728.64 is: 162,621,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,959,023.56 : 299,405,651.76 = 117,840,728.64 : x
  2. Step 2: Convert to fraction form
    216,959,023.56/299,405,651.76 = 117,840,728.64/x
  3. Step 3: Cross multiply
    216,959,023.56x = 299,405,651.76 × 117,840,728.64
  4. Step 4: Simplify right side
    216,959,023.56x = 35,282,180,162,332,496
  5. Step 5: Solve for x
    x = 35,282,180,162,332,496/216,959,023.56
  6. Step 6: Final answer
    x = 162,621,400.04

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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.