Home / 207,990,735.66-287,023,708.44-115,169,250.60

Finding the Fourth Proportional to 207,990,735.66, 287,023,708.44 and 115,169,250.60

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Solution

The fourth proportional to 207,990,735.66, 287,023,708.44 and 115,169,250.60 is: 158,931,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,990,735.66 : 287,023,708.44 = 115,169,250.60 : x
  2. Step 2: Convert to fraction form
    207,990,735.66/287,023,708.44 = 115,169,250.60/x
  3. Step 3: Cross multiply
    207,990,735.66x = 287,023,708.44 × 115,169,250.60
  4. Step 4: Simplify right side
    207,990,735.66x = 33,056,305,405,467,692
  5. Step 5: Solve for x
    x = 33,056,305,405,467,692/207,990,735.66
  6. Step 6: Final answer
    x = 158,931,624.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.