Home / 114,945,983.40-172,418,975.10-102,474,834.60

Finding the Fourth Proportional to 114,945,983.40, 172,418,975.10 and 102,474,834.60

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Solution

The fourth proportional to 114,945,983.40, 172,418,975.10 and 102,474,834.60 is: 153,712,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,945,983.40 : 172,418,975.10 = 102,474,834.60 : x
  2. Step 2: Convert to fraction form
    114,945,983.40/172,418,975.10 = 102,474,834.60/x
  3. Step 3: Cross multiply
    114,945,983.40x = 172,418,975.10 × 102,474,834.60
  4. Step 4: Simplify right side
    114,945,983.40x = 17,668,605,955,274,016
  5. Step 5: Solve for x
    x = 17,668,605,955,274,016/114,945,983.40
  6. Step 6: Final answer
    x = 153,712,251.90

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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.