Home / 216,110,658.64-298,232,389-116,990,919.76

Finding the Fourth Proportional to 216,110,658.64, 298,232,389 and 116,990,919.76

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Solution

The fourth proportional to 216,110,658.64, 298,232,389 and 116,990,919.76 is: 161,447,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,110,658.64 : 298,232,389 = 116,990,919.76 : x
  2. Step 2: Convert to fraction form
    216,110,658.64/298,232,389 = 116,990,919.76/x
  3. Step 3: Cross multiply
    216,110,658.64x = 298,232,389 × 116,990,919.76
  4. Step 4: Simplify right side
    216,110,658.64x = 34,890,481,491,332,108
  5. Step 5: Solve for x
    x = 34,890,481,491,332,108/216,110,658.64
  6. Step 6: Final answer
    x = 161,447,296.08

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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.