Home / 248,933,410.20-373,400,115.30-105,307,579.80

Finding the Fourth Proportional to 248,933,410.20, 373,400,115.30 and 105,307,579.80

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Solution

The fourth proportional to 248,933,410.20, 373,400,115.30 and 105,307,579.80 is: 157,961,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,933,410.20 : 373,400,115.30 = 105,307,579.80 : x
  2. Step 2: Convert to fraction form
    248,933,410.20/373,400,115.30 = 105,307,579.80/x
  3. Step 3: Cross multiply
    248,933,410.20x = 373,400,115.30 × 105,307,579.80
  4. Step 4: Simplify right side
    248,933,410.20x = 39,321,862,439,283,952
  5. Step 5: Solve for x
    x = 39,321,862,439,283,952/248,933,410.20
  6. Step 6: Final answer
    x = 157,961,369.70

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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.