Home / 436,550,106.40-654,916,138.80-145,507,645.60

Finding the Fourth Proportional to 436,550,106.40, 654,916,138.80 and 145,507,645.60

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Solution

The fourth proportional to 436,550,106.40, 654,916,138.80 and 145,507,645.60 is: 218,291,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,550,106.40 : 654,916,138.80 = 145,507,645.60 : x
  2. Step 2: Convert to fraction form
    436,550,106.40/654,916,138.80 = 145,507,645.60/x
  3. Step 3: Cross multiply
    436,550,106.40x = 654,916,138.80 × 145,507,645.60
  4. Step 4: Simplify right side
    436,550,106.40x = 95,295,305,422,230,800
  5. Step 5: Solve for x
    x = 95,295,305,422,230,800/436,550,106.40
  6. Step 6: Final answer
    x = 218,291,792.91

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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.