Home / 76,404,186-114,534,234.36-38,029,421.92

Finding the Fourth Proportional to 76,404,186, 114,534,234.36 and 38,029,421.92

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Solution

The fourth proportional to 76,404,186, 114,534,234.36 and 38,029,421.92 is: 57,008,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,404,186 : 114,534,234.36 = 38,029,421.92 : x
  2. Step 2: Convert to fraction form
    76,404,186/114,534,234.36 = 38,029,421.92/x
  3. Step 3: Cross multiply
    76,404,186x = 114,534,234.36 × 38,029,421.92
  4. Step 4: Simplify right side
    76,404,186x = 4,355,670,722,760,601.50
  5. Step 5: Solve for x
    x = 4,355,670,722,760,601.50/76,404,186
  6. Step 6: Final answer
    x = 57,008,273.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.