Home / 165,822,638.80-248,733,958.20-79,516,620.40

Finding the Fourth Proportional to 165,822,638.80, 248,733,958.20 and 79,516,620.40

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Solution

The fourth proportional to 165,822,638.80, 248,733,958.20 and 79,516,620.40 is: 119,274,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,822,638.80 : 248,733,958.20 = 79,516,620.40 : x
  2. Step 2: Convert to fraction form
    165,822,638.80/248,733,958.20 = 79,516,620.40/x
  3. Step 3: Cross multiply
    165,822,638.80x = 248,733,958.20 × 79,516,620.40
  4. Step 4: Simplify right side
    165,822,638.80x = 19,778,483,734,778,868
  5. Step 5: Solve for x
    x = 19,778,483,734,778,868/165,822,638.80
  6. Step 6: Final answer
    x = 119,274,930.60

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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.