Home / 165,406,911.85-248,110,367.78-162,855,995.05

Finding the Fourth Proportional to 165,406,911.85, 248,110,367.78 and 162,855,995.05

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Solution

The fourth proportional to 165,406,911.85, 248,110,367.78 and 162,855,995.05 is: 244,283,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,406,911.85 : 248,110,367.78 = 162,855,995.05 : x
  2. Step 2: Convert to fraction form
    165,406,911.85/248,110,367.78 = 162,855,995.05/x
  3. Step 3: Cross multiply
    165,406,911.85x = 248,110,367.78 × 162,855,995.05
  4. Step 4: Simplify right side
    165,406,911.85x = 40,406,260,826,219,080
  5. Step 5: Solve for x
    x = 40,406,260,826,219,080/165,406,911.85
  6. Step 6: Final answer
    x = 244,283,992.58

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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.