Home / 195,242,247.72-269,433,558.72-107,137,719.90

Finding the Fourth Proportional to 195,242,247.72, 269,433,558.72 and 107,137,719.90

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Solution

The fourth proportional to 195,242,247.72, 269,433,558.72 and 107,137,719.90 is: 147,849,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,242,247.72 : 269,433,558.72 = 107,137,719.90 : x
  2. Step 2: Convert to fraction form
    195,242,247.72/269,433,558.72 = 107,137,719.90/x
  3. Step 3: Cross multiply
    195,242,247.72x = 269,433,558.72 × 107,137,719.90
  4. Step 4: Simplify right side
    195,242,247.72x = 28,866,497,145,803,568
  5. Step 5: Solve for x
    x = 28,866,497,145,803,568/195,242,247.72
  6. Step 6: Final answer
    x = 147,849,645.67

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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.