Home / 161,286,412.80-241,929,619.20-115,936,780.80

Finding the Fourth Proportional to 161,286,412.80, 241,929,619.20 and 115,936,780.80

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Solution

The fourth proportional to 161,286,412.80, 241,929,619.20 and 115,936,780.80 is: 173,905,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,286,412.80 : 241,929,619.20 = 115,936,780.80 : x
  2. Step 2: Convert to fraction form
    161,286,412.80/241,929,619.20 = 115,936,780.80/x
  3. Step 3: Cross multiply
    161,286,412.80x = 241,929,619.20 × 115,936,780.80
  4. Step 4: Simplify right side
    161,286,412.80x = 28,048,541,230,217,868
  5. Step 5: Solve for x
    x = 28,048,541,230,217,868/161,286,412.80
  6. Step 6: Final answer
    x = 173,905,171.20

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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.