Home / 140,525,906-193,946,117.04-80,975,616.56

Finding the Fourth Proportional to 140,525,906, 193,946,117.04 and 80,975,616.56

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Solution

The fourth proportional to 140,525,906, 193,946,117.04 and 80,975,616.56 is: 111,758,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525,906 : 193,946,117.04 = 80,975,616.56 : x
  2. Step 2: Convert to fraction form
    140,525,906/193,946,117.04 = 80,975,616.56/x
  3. Step 3: Cross multiply
    140,525,906x = 193,946,117.04 × 80,975,616.56
  4. Step 4: Simplify right side
    140,525,906x = 15,704,906,406,731,922
  5. Step 5: Solve for x
    x = 15,704,906,406,731,922/140,525,906
  6. Step 6: Final answer
    x = 111,758,086.85

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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.