Home / 325,943,999.60-488,915,999.40-107,628,036.80

Finding the Fourth Proportional to 325,943,999.60, 488,915,999.40 and 107,628,036.80

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Solution

The fourth proportional to 325,943,999.60, 488,915,999.40 and 107,628,036.80 is: 161,442,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,943,999.60 : 488,915,999.40 = 107,628,036.80 : x
  2. Step 2: Convert to fraction form
    325,943,999.60/488,915,999.40 = 107,628,036.80/x
  3. Step 3: Cross multiply
    325,943,999.60x = 488,915,999.40 × 107,628,036.80
  4. Step 4: Simplify right side
    325,943,999.60x = 52,621,069,175,531,976
  5. Step 5: Solve for x
    x = 52,621,069,175,531,976/325,943,999.60
  6. Step 6: Final answer
    x = 161,442,055.20

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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.