Home / 325,710,907.20-488,637,219.60-107,324,085.60

Finding the Fourth Proportional to 325,710,907.20, 488,637,219.60 and 107,324,085.60

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Solution

The fourth proportional to 325,710,907.20, 488,637,219.60 and 107,324,085.60 is: 161,009,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,710,907.20 : 488,637,219.60 = 107,324,085.60 : x
  2. Step 2: Convert to fraction form
    325,710,907.20/488,637,219.60 = 107,324,085.60/x
  3. Step 3: Cross multiply
    325,710,907.20x = 488,637,219.60 × 107,324,085.60
  4. Step 4: Simplify right side
    325,710,907.20x = 52,442,542,783,696,400
  5. Step 5: Solve for x
    x = 52,442,542,783,696,400/325,710,907.20
  6. Step 6: Final answer
    x = 161,009,476.88

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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.