Home / 131,543,891,523.76-181,530,704,651.88-71,396,873,006.80

Finding the Fourth Proportional to 131,543,891,523.76, 181,530,704,651.88 and 71,396,873,006.80

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Solution

The fourth proportional to 131,543,891,523.76, 181,530,704,651.88 and 71,396,873,006.80 is: 98,527,757,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,543,891,523.76 : 181,530,704,651.88 = 71,396,873,006.80 : x
  2. Step 2: Convert to fraction form
    131,543,891,523.76/181,530,704,651.88 = 71,396,873,006.80/x
  3. Step 3: Cross multiply
    131,543,891,523.76x = 181,530,704,651.88 × 71,396,873,006.80
  4. Step 4: Simplify right side
    131,543,891,523.76x = 12,960,724,666,865,195,941,888
  5. Step 5: Solve for x
    x = 12,960,724,666,865,195,941,888/131,543,891,523.76
  6. Step 6: Final answer
    x = 98,527,757,668.81

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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.