Home / 218,195,769.93-301,116,540.21-119,082,878.33

Finding the Fourth Proportional to 218,195,769.93, 301,116,540.21 and 119,082,878.33

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Solution

The fourth proportional to 218,195,769.93, 301,116,540.21 and 119,082,878.33 is: 164,337,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,195,769.93 : 301,116,540.21 = 119,082,878.33 : x
  2. Step 2: Convert to fraction form
    218,195,769.93/301,116,540.21 = 119,082,878.33/x
  3. Step 3: Cross multiply
    218,195,769.93x = 301,116,540.21 × 119,082,878.33
  4. Step 4: Simplify right side
    218,195,769.93x = 35,857,824,320,977,980
  5. Step 5: Solve for x
    x = 35,857,824,320,977,980/218,195,769.93
  6. Step 6: Final answer
    x = 164,337,852.80

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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.