Home / 325,092,821.60-487,639,232.40-131,097,173.60

Finding the Fourth Proportional to 325,092,821.60, 487,639,232.40 and 131,097,173.60

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Solution

The fourth proportional to 325,092,821.60, 487,639,232.40 and 131,097,173.60 is: 196,645,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,092,821.60 : 487,639,232.40 = 131,097,173.60 : x
  2. Step 2: Convert to fraction form
    325,092,821.60/487,639,232.40 = 131,097,173.60/x
  3. Step 3: Cross multiply
    325,092,821.60x = 487,639,232.40 × 131,097,173.60
  4. Step 4: Simplify right side
    325,092,821.60x = 63,928,125,104,113,536
  5. Step 5: Solve for x
    x = 63,928,125,104,113,536/325,092,821.60
  6. Step 6: Final answer
    x = 196,645,760.40

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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.