Home / 354,303,608.20-531,455,412.30-111,966,512.20

Finding the Fourth Proportional to 354,303,608.20, 531,455,412.30 and 111,966,512.20

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Solution

The fourth proportional to 354,303,608.20, 531,455,412.30 and 111,966,512.20 is: 167,949,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,303,608.20 : 531,455,412.30 = 111,966,512.20 : x
  2. Step 2: Convert to fraction form
    354,303,608.20/531,455,412.30 = 111,966,512.20/x
  3. Step 3: Cross multiply
    354,303,608.20x = 531,455,412.30 × 111,966,512.20
  4. Step 4: Simplify right side
    354,303,608.20x = 59,505,208,905,043,984
  5. Step 5: Solve for x
    x = 59,505,208,905,043,984/354,303,608.20
  6. Step 6: Final answer
    x = 167,949,768.30

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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.