Home / 216,110,142.25-298,231,933.13-116,990,816.10

Finding the Fourth Proportional to 216,110,142.25, 298,231,933.13 and 116,990,816.10

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Solution

The fourth proportional to 216,110,142.25, 298,231,933.13 and 116,990,816.10 is: 161,447,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,110,142.25 : 298,231,933.13 = 116,990,816.10 : x
  2. Step 2: Convert to fraction form
    216,110,142.25/298,231,933.13 = 116,990,816.10/x
  3. Step 3: Cross multiply
    216,110,142.25x = 298,231,933.13 × 116,990,816.10
  4. Step 4: Simplify right side
    216,110,142.25x = 34,890,397,243,959,324
  5. Step 5: Solve for x
    x = 34,890,397,243,959,324/216,110,142.25
  6. Step 6: Final answer
    x = 161,447,292.02

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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.