Home / 109,728,212.80-164,592,319.20-99,650,516.80

Finding the Fourth Proportional to 109,728,212.80, 164,592,319.20 and 99,650,516.80

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Solution

The fourth proportional to 109,728,212.80, 164,592,319.20 and 99,650,516.80 is: 149,475,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,728,212.80 : 164,592,319.20 = 99,650,516.80 : x
  2. Step 2: Convert to fraction form
    109,728,212.80/164,592,319.20 = 99,650,516.80/x
  3. Step 3: Cross multiply
    109,728,212.80x = 164,592,319.20 × 99,650,516.80
  4. Step 4: Simplify right side
    109,728,212.80x = 16,401,709,669,590,560
  5. Step 5: Solve for x
    x = 16,401,709,669,590,560/109,728,212.80
  6. Step 6: Final answer
    x = 149,475,775.20

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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.