Home / 109,728,212.30-164,592,318.45-99,650,516.30

Finding the Fourth Proportional to 109,728,212.30, 164,592,318.45 and 99,650,516.30

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Solution

The fourth proportional to 109,728,212.30, 164,592,318.45 and 99,650,516.30 is: 149,475,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,728,212.30 : 164,592,318.45 = 99,650,516.30 : x
  2. Step 2: Convert to fraction form
    109,728,212.30/164,592,318.45 = 99,650,516.30/x
  3. Step 3: Cross multiply
    109,728,212.30x = 164,592,318.45 × 99,650,516.30
  4. Step 4: Simplify right side
    109,728,212.30x = 16,401,709,512,556,514
  5. Step 5: Solve for x
    x = 16,401,709,512,556,514/109,728,212.30
  6. Step 6: Final answer
    x = 149,475,774.45

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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.