Home / 304,844,558.58-420,655,136.76-172,659,173.04

Finding the Fourth Proportional to 304,844,558.58, 420,655,136.76 and 172,659,173.04

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Solution

The fourth proportional to 304,844,558.58, 420,655,136.76 and 172,659,173.04 is: 238,252,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,844,558.58 : 420,655,136.76 = 172,659,173.04 : x
  2. Step 2: Convert to fraction form
    304,844,558.58/420,655,136.76 = 172,659,173.04/x
  3. Step 3: Cross multiply
    304,844,558.58x = 420,655,136.76 × 172,659,173.04
  4. Step 4: Simplify right side
    304,844,558.58x = 72,629,968,048,009,696
  5. Step 5: Solve for x
    x = 72,629,968,048,009,696/304,844,558.58
  6. Step 6: Final answer
    x = 238,252,466.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.