Home / 124,416,099.20-186,624,148.80-87,788,028.80

Finding the Fourth Proportional to 124,416,099.20, 186,624,148.80 and 87,788,028.80

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Solution

The fourth proportional to 124,416,099.20, 186,624,148.80 and 87,788,028.80 is: 131,682,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,099.20 : 186,624,148.80 = 87,788,028.80 : x
  2. Step 2: Convert to fraction form
    124,416,099.20/186,624,148.80 = 87,788,028.80/x
  3. Step 3: Cross multiply
    124,416,099.20x = 186,624,148.80 × 87,788,028.80
  4. Step 4: Simplify right side
    124,416,099.20x = 16,383,366,149,629,886
  5. Step 5: Solve for x
    x = 16,383,366,149,629,886/124,416,099.20
  6. Step 6: Final answer
    x = 131,682,043.20

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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.