Home / 166,038,128.38-229,065,894.38-104,135,880.70

Finding the Fourth Proportional to 166,038,128.38, 229,065,894.38 and 104,135,880.70

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Solution

The fourth proportional to 166,038,128.38, 229,065,894.38 and 104,135,880.70 is: 143,665,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,038,128.38 : 229,065,894.38 = 104,135,880.70 : x
  2. Step 2: Convert to fraction form
    166,038,128.38/229,065,894.38 = 104,135,880.70/x
  3. Step 3: Cross multiply
    166,038,128.38x = 229,065,894.38 × 104,135,880.70
  4. Step 4: Simplify right side
    166,038,128.38x = 23,853,978,649,594,480
  5. Step 5: Solve for x
    x = 23,853,978,649,594,480/166,038,128.38
  6. Step 6: Final answer
    x = 143,665,668.13

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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.