Home / 114,040,136.38-157,378,708.15-64,479,446

Finding the Fourth Proportional to 114,040,136.38, 157,378,708.15 and 64,479,446

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Solution

The fourth proportional to 114,040,136.38, 157,378,708.15 and 64,479,446 is: 88,983,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,040,136.38 : 157,378,708.15 = 64,479,446 : x
  2. Step 2: Convert to fraction form
    114,040,136.38/157,378,708.15 = 64,479,446/x
  3. Step 3: Cross multiply
    114,040,136.38x = 157,378,708.15 × 64,479,446
  4. Step 4: Simplify right side
    114,040,136.38x = 10,147,691,913,707,686
  5. Step 5: Solve for x
    x = 10,147,691,913,707,686/114,040,136.38
  6. Step 6: Final answer
    x = 88,983,512.61

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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.