Home / 193,392,131.65-266,882,756.45-105,286,742.60

Finding the Fourth Proportional to 193,392,131.65, 266,882,756.45 and 105,286,742.60

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Solution

The fourth proportional to 193,392,131.65, 266,882,756.45 and 105,286,742.60 is: 145,296,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,392,131.65 : 266,882,756.45 = 105,286,742.60 : x
  2. Step 2: Convert to fraction form
    193,392,131.65/266,882,756.45 = 105,286,742.60/x
  3. Step 3: Cross multiply
    193,392,131.65x = 266,882,756.45 × 105,286,742.60
  4. Step 4: Simplify right side
    193,392,131.65x = 28,099,216,080,868,792
  5. Step 5: Solve for x
    x = 28,099,216,080,868,792/193,392,131.65
  6. Step 6: Final answer
    x = 145,296,583.90

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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.