Home / 98,930,965.80-148,396,448.70-73,102,933.20

Finding the Fourth Proportional to 98,930,965.80, 148,396,448.70 and 73,102,933.20

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Solution

The fourth proportional to 98,930,965.80, 148,396,448.70 and 73,102,933.20 is: 109,654,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,930,965.80 : 148,396,448.70 = 73,102,933.20 : x
  2. Step 2: Convert to fraction form
    98,930,965.80/148,396,448.70 = 73,102,933.20/x
  3. Step 3: Cross multiply
    98,930,965.80x = 148,396,448.70 × 73,102,933.20
  4. Step 4: Simplify right side
    98,930,965.80x = 10,848,215,676,433,326
  5. Step 5: Solve for x
    x = 10,848,215,676,433,326/98,930,965.80
  6. Step 6: Final answer
    x = 109,654,399.80

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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.