Home / 140,525,914-193,946,128.08-80,975,624.56

Finding the Fourth Proportional to 140,525,914, 193,946,128.08 and 80,975,624.56

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Solution

The fourth proportional to 140,525,914, 193,946,128.08 and 80,975,624.56 is: 111,758,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525,914 : 193,946,128.08 = 80,975,624.56 : x
  2. Step 2: Convert to fraction form
    140,525,914/193,946,128.08 = 80,975,624.56/x
  3. Step 3: Cross multiply
    140,525,914x = 193,946,128.08 × 80,975,624.56
  4. Step 4: Simplify right side
    140,525,914x = 15,704,908,852,271,756
  5. Step 5: Solve for x
    x = 15,704,908,852,271,756/140,525,914
  6. Step 6: Final answer
    x = 111,758,097.89

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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.