Home / 68,883,606.40-103,325,409.60-57,630,179.20

Finding the Fourth Proportional to 68,883,606.40, 103,325,409.60 and 57,630,179.20

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Solution

The fourth proportional to 68,883,606.40, 103,325,409.60 and 57,630,179.20 is: 86,445,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,883,606.40 : 103,325,409.60 = 57,630,179.20 : x
  2. Step 2: Convert to fraction form
    68,883,606.40/103,325,409.60 = 57,630,179.20/x
  3. Step 3: Cross multiply
    68,883,606.40x = 103,325,409.60 × 57,630,179.20
  4. Step 4: Simplify right side
    68,883,606.40x = 5,954,661,871,161,400
  5. Step 5: Solve for x
    x = 5,954,661,871,161,400/68,883,606.40
  6. Step 6: Final answer
    x = 86,445,268.80

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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.