Home / 86,716,379.12-119,670,800.28-47,559,714.80

Finding the Fourth Proportional to 86,716,379.12, 119,670,800.28 and 47,559,714.80

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Solution

The fourth proportional to 86,716,379.12, 119,670,800.28 and 47,559,714.80 is: 65,633,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716,379.12 : 119,670,800.28 = 47,559,714.80 : x
  2. Step 2: Convert to fraction form
    86,716,379.12/119,670,800.28 = 47,559,714.80/x
  3. Step 3: Cross multiply
    86,716,379.12x = 119,670,800.28 × 47,559,714.80
  4. Step 4: Simplify right side
    86,716,379.12x = 5,691,509,131,204,560
  5. Step 5: Solve for x
    x = 5,691,509,131,204,560/86,716,379.12
  6. Step 6: Final answer
    x = 65,633,611.42

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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.