Home / 148,524,109.80-222,786,164.70-39,366,128.40

Finding the Fourth Proportional to 148,524,109.80, 222,786,164.70 and 39,366,128.40

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Solution

The fourth proportional to 148,524,109.80, 222,786,164.70 and 39,366,128.40 is: 59,049,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,524,109.80 : 222,786,164.70 = 39,366,128.40 : x
  2. Step 2: Convert to fraction form
    148,524,109.80/222,786,164.70 = 39,366,128.40/x
  3. Step 3: Cross multiply
    148,524,109.80x = 222,786,164.70 × 39,366,128.40
  4. Step 4: Simplify right side
    148,524,109.80x = 8,770,228,765,323,747
  5. Step 5: Solve for x
    x = 8,770,228,765,323,747/148,524,109.80
  6. Step 6: Final answer
    x = 59,049,192.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.