Home / 165,406,906.60-248,110,359.90-162,855,989.80

Finding the Fourth Proportional to 165,406,906.60, 248,110,359.90 and 162,855,989.80

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Solution

The fourth proportional to 165,406,906.60, 248,110,359.90 and 162,855,989.80 is: 244,283,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,406,906.60 : 248,110,359.90 = 162,855,989.80 : x
  2. Step 2: Convert to fraction form
    165,406,906.60/248,110,359.90 = 162,855,989.80/x
  3. Step 3: Cross multiply
    165,406,906.60x = 248,110,359.90 × 162,855,989.80
  4. Step 4: Simplify right side
    165,406,906.60x = 40,406,258,241,148,736
  5. Step 5: Solve for x
    x = 40,406,258,241,148,736/165,406,906.60
  6. Step 6: Final answer
    x = 244,283,984.70

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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.