Home / 131,471,812.10-196,829,804.55-80,453,476.10

Finding the Fourth Proportional to 131,471,812.10, 196,829,804.55 and 80,453,476.10

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Solution

The fourth proportional to 131,471,812.10, 196,829,804.55 and 80,453,476.10 is: 120,448,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471,812.10 : 196,829,804.55 = 80,453,476.10 : x
  2. Step 2: Convert to fraction form
    131,471,812.10/196,829,804.55 = 80,453,476.10/x
  3. Step 3: Cross multiply
    131,471,812.10x = 196,829,804.55 × 80,453,476.10
  4. Step 4: Simplify right side
    131,471,812.10x = 15,835,641,976,131,096
  5. Step 5: Solve for x
    x = 15,835,641,976,131,096/131,471,812.10
  6. Step 6: Final answer
    x = 120,448,951.93

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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.