Home / 168,494,967.90-252,742,451.85-82,288,676.70

Finding the Fourth Proportional to 168,494,967.90, 252,742,451.85 and 82,288,676.70

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Solution

The fourth proportional to 168,494,967.90, 252,742,451.85 and 82,288,676.70 is: 123,433,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,494,967.90 : 252,742,451.85 = 82,288,676.70 : x
  2. Step 2: Convert to fraction form
    168,494,967.90/252,742,451.85 = 82,288,676.70/x
  3. Step 3: Cross multiply
    168,494,967.90x = 252,742,451.85 × 82,288,676.70
  4. Step 4: Simplify right side
    168,494,967.90x = 20,797,841,908,649,968
  5. Step 5: Solve for x
    x = 20,797,841,908,649,968/168,494,967.90
  6. Step 6: Final answer
    x = 123,433,015.05

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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.