Home / 143,440,814.66-197,933,061.44-80,715,819.40

Finding the Fourth Proportional to 143,440,814.66, 197,933,061.44 and 80,715,819.40

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Solution

The fourth proportional to 143,440,814.66, 197,933,061.44 and 80,715,819.40 is: 111,379,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,440,814.66 : 197,933,061.44 = 80,715,819.40 : x
  2. Step 2: Convert to fraction form
    143,440,814.66/197,933,061.44 = 80,715,819.40/x
  3. Step 3: Cross multiply
    143,440,814.66x = 197,933,061.44 × 80,715,819.40
  4. Step 4: Simplify right side
    143,440,814.66x = 15,976,329,240,187,100
  5. Step 5: Solve for x
    x = 15,976,329,240,187,100/143,440,814.66
  6. Step 6: Final answer
    x = 111,379,242.22

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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.