Home / 124,659,342.90-186,989,014.35-83,047,512.60

Finding the Fourth Proportional to 124,659,342.90, 186,989,014.35 and 83,047,512.60

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Solution

The fourth proportional to 124,659,342.90, 186,989,014.35 and 83,047,512.60 is: 124,571,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,342.90 : 186,989,014.35 = 83,047,512.60 : x
  2. Step 2: Convert to fraction form
    124,659,342.90/186,989,014.35 = 83,047,512.60/x
  3. Step 3: Cross multiply
    124,659,342.90x = 186,989,014.35 × 83,047,512.60
  4. Step 4: Simplify right side
    124,659,342.90x = 15,528,972,525,293,204
  5. Step 5: Solve for x
    x = 15,528,972,525,293,204/124,659,342.90
  6. Step 6: Final answer
    x = 124,571,268.90

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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.