Home / 86,863,956.20-119,845,379.94-50,181,142.76

Finding the Fourth Proportional to 86,863,956.20, 119,845,379.94 and 50,181,142.76

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Solution

The fourth proportional to 86,863,956.20, 119,845,379.94 and 50,181,142.76 is: 69,234,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,863,956.20 : 119,845,379.94 = 50,181,142.76 : x
  2. Step 2: Convert to fraction form
    86,863,956.20/119,845,379.94 = 50,181,142.76/x
  3. Step 3: Cross multiply
    86,863,956.20x = 119,845,379.94 × 50,181,142.76
  4. Step 4: Simplify right side
    86,863,956.20x = 6,013,978,119,895,580
  5. Step 5: Solve for x
    x = 6,013,978,119,895,580/86,863,956.20
  6. Step 6: Final answer
    x = 69,234,448.71

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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.