Home / 86,716,377.12-119,670,797.52-47,559,712.80

Finding the Fourth Proportional to 86,716,377.12, 119,670,797.52 and 47,559,712.80

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Solution

The fourth proportional to 86,716,377.12, 119,670,797.52 and 47,559,712.80 is: 65,633,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716,377.12 : 119,670,797.52 = 47,559,712.80 : x
  2. Step 2: Convert to fraction form
    86,716,377.12/119,670,797.52 = 47,559,712.80/x
  3. Step 3: Cross multiply
    86,716,377.12x = 119,670,797.52 × 47,559,712.80
  4. Step 4: Simplify right side
    86,716,377.12x = 5,691,508,760,598,152
  5. Step 5: Solve for x
    x = 5,691,508,760,598,152/86,716,377.12
  6. Step 6: Final answer
    x = 65,633,608.66

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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.