Home / 165,993,953.40-248,990,930.10-79,711,554.60

Finding the Fourth Proportional to 165,993,953.40, 248,990,930.10 and 79,711,554.60

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Solution

The fourth proportional to 165,993,953.40, 248,990,930.10 and 79,711,554.60 is: 119,567,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,993,953.40 : 248,990,930.10 = 79,711,554.60 : x
  2. Step 2: Convert to fraction form
    165,993,953.40/248,990,930.10 = 79,711,554.60/x
  3. Step 3: Cross multiply
    165,993,953.40x = 248,990,930.10 × 79,711,554.60
  4. Step 4: Simplify right side
    165,993,953.40x = 19,847,454,119,570,932
  5. Step 5: Solve for x
    x = 19,847,454,119,570,932/165,993,953.40
  6. Step 6: Final answer
    x = 119,567,331.90

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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.