Home / 109,728,431.80-164,592,647.70-99,650,735.80

Finding the Fourth Proportional to 109,728,431.80, 164,592,647.70 and 99,650,735.80

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Solution

The fourth proportional to 109,728,431.80, 164,592,647.70 and 99,650,735.80 is: 149,476,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,728,431.80 : 164,592,647.70 = 99,650,735.80 : x
  2. Step 2: Convert to fraction form
    109,728,431.80/164,592,647.70 = 99,650,735.80/x
  3. Step 3: Cross multiply
    109,728,431.80x = 164,592,647.70 × 99,650,735.80
  4. Step 4: Simplify right side
    109,728,431.80x = 16,401,778,450,575,176
  5. Step 5: Solve for x
    x = 16,401,778,450,575,176/109,728,431.80
  6. Step 6: Final answer
    x = 149,476,103.70

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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.