Home / 550,410,942.42-825,618,111.93-135,887,811.30

Finding the Fourth Proportional to 550,410,942.42, 825,618,111.93 and 135,887,811.30

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Solution

The fourth proportional to 550,410,942.42, 825,618,111.93 and 135,887,811.30 is: 203,832,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,410,942.42 : 825,618,111.93 = 135,887,811.30 : x
  2. Step 2: Convert to fraction form
    550,410,942.42/825,618,111.93 = 135,887,811.30/x
  3. Step 3: Cross multiply
    550,410,942.42x = 825,618,111.93 × 135,887,811.30
  4. Step 4: Simplify right side
    550,410,942.42x = 112,191,438,199,806,128
  5. Step 5: Solve for x
    x = 112,191,438,199,806,128/550,410,942.42
  6. Step 6: Final answer
    x = 203,832,136.23

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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.