Home / 123,201,991.80-184,802,987.70-74,734,572.60

Finding the Fourth Proportional to 123,201,991.80, 184,802,987.70 and 74,734,572.60

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Solution

The fourth proportional to 123,201,991.80, 184,802,987.70 and 74,734,572.60 is: 112,101,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,201,991.80 : 184,802,987.70 = 74,734,572.60 : x
  2. Step 2: Convert to fraction form
    123,201,991.80/184,802,987.70 = 74,734,572.60/x
  3. Step 3: Cross multiply
    123,201,991.80x = 184,802,987.70 × 74,734,572.60
  4. Step 4: Simplify right side
    123,201,991.80x = 13,811,172,300,962,556
  5. Step 5: Solve for x
    x = 13,811,172,300,962,556/123,201,991.80
  6. Step 6: Final answer
    x = 112,101,858.90

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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.