Home / 123,042,986.20-184,635,338.10-46,421,003.80

Finding the Fourth Proportional to 123,042,986.20, 184,635,338.10 and 46,421,003.80

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Solution

The fourth proportional to 123,042,986.20, 184,635,338.10 and 46,421,003.80 is: 69,658,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,042,986.20 : 184,635,338.10 = 46,421,003.80 : x
  2. Step 2: Convert to fraction form
    123,042,986.20/184,635,338.10 = 46,421,003.80/x
  3. Step 3: Cross multiply
    123,042,986.20x = 184,635,338.10 × 46,421,003.80
  4. Step 4: Simplify right side
    123,042,986.20x = 8,570,957,731,554,384
  5. Step 5: Solve for x
    x = 8,570,957,731,554,384/123,042,986.20
  6. Step 6: Final answer
    x = 69,658,238.93

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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.