Home / 124,659,558.40-186,989,337.60-73,003,493.20

Finding the Fourth Proportional to 124,659,558.40, 186,989,337.60 and 73,003,493.20

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Solution

The fourth proportional to 124,659,558.40, 186,989,337.60 and 73,003,493.20 is: 109,505,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,558.40 : 186,989,337.60 = 73,003,493.20 : x
  2. Step 2: Convert to fraction form
    124,659,558.40/186,989,337.60 = 73,003,493.20/x
  3. Step 3: Cross multiply
    124,659,558.40x = 186,989,337.60 × 73,003,493.20
  4. Step 4: Simplify right side
    124,659,558.40x = 13,650,874,835,954,104
  5. Step 5: Solve for x
    x = 13,650,874,835,954,104/124,659,558.40
  6. Step 6: Final answer
    x = 109,505,239.80

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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.