Home / 165,686,890.69-248,530,325.78-157,401,946.93

Finding the Fourth Proportional to 165,686,890.69, 248,530,325.78 and 157,401,946.93

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Solution

The fourth proportional to 165,686,890.69, 248,530,325.78 and 157,401,946.93 is: 236,102,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,686,890.69 : 248,530,325.78 = 157,401,946.93 : x
  2. Step 2: Convert to fraction form
    165,686,890.69/248,530,325.78 = 157,401,946.93/x
  3. Step 3: Cross multiply
    165,686,890.69x = 248,530,325.78 × 157,401,946.93
  4. Step 4: Simplify right side
    165,686,890.69x = 39,119,157,148,269,928
  5. Step 5: Solve for x
    x = 39,119,157,148,269,928/165,686,890.69
  6. Step 6: Final answer
    x = 236,102,910.66

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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.