Home / 131,687,107.94-181,313,601.03-111,801,540.98

Finding the Fourth Proportional to 131,687,107.94, 181,313,601.03 and 111,801,540.98

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Solution

The fourth proportional to 131,687,107.94, 181,313,601.03 and 111,801,540.98 is: 153,934,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,687,107.94 : 181,313,601.03 = 111,801,540.98 : x
  2. Step 2: Convert to fraction form
    131,687,107.94/181,313,601.03 = 111,801,540.98/x
  3. Step 3: Cross multiply
    131,687,107.94x = 181,313,601.03 × 111,801,540.98
  4. Step 4: Simplify right side
    131,687,107.94x = 20,271,139,994,880,348
  5. Step 5: Solve for x
    x = 20,271,139,994,880,348/131,687,107.94
  6. Step 6: Final answer
    x = 153,934,126.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.