Home / 111,328,019.40-166,992,029.12-111,328,019.40

Finding the Fourth Proportional to 111,328,019.40, 166,992,029.12 and 111,328,019.40

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Solution

The fourth proportional to 111,328,019.40, 166,992,029.12 and 111,328,019.40 is: 166,992,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328,019.40 : 166,992,029.12 = 111,328,019.40 : x
  2. Step 2: Convert to fraction form
    111,328,019.40/166,992,029.12 = 111,328,019.40/x
  3. Step 3: Cross multiply
    111,328,019.40x = 166,992,029.12 × 111,328,019.40
  4. Step 4: Simplify right side
    111,328,019.40x = 18,590,891,857,516,728
  5. Step 5: Solve for x
    x = 18,590,891,857,516,728/111,328,019.40
  6. Step 6: Final answer
    x = 166,992,029.12

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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.