Home / 216,206,479.42-298,363,455.93-117,084,958.54

Finding the Fourth Proportional to 216,206,479.42, 298,363,455.93 and 117,084,958.54

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Solution

The fourth proportional to 216,206,479.42, 298,363,455.93 and 117,084,958.54 is: 161,576,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206,479.42 : 298,363,455.93 = 117,084,958.54 : x
  2. Step 2: Convert to fraction form
    216,206,479.42/298,363,455.93 = 117,084,958.54/x
  3. Step 3: Cross multiply
    216,206,479.42x = 298,363,455.93 × 117,084,958.54
  4. Step 4: Simplify right side
    216,206,479.42x = 34,933,872,867,415,168
  5. Step 5: Solve for x
    x = 34,933,872,867,415,168/216,206,479.42
  6. Step 6: Final answer
    x = 161,576,438.23

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1.5x scale

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.