Home / 76,589,126.62-105,678,539.54-45,652,174.54

Finding the Fourth Proportional to 76,589,126.62, 105,678,539.54 and 45,652,174.54

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Solution

The fourth proportional to 76,589,126.62, 105,678,539.54 and 45,652,174.54 is: 62,991,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589,126.62 : 105,678,539.54 = 45,652,174.54 : x
  2. Step 2: Convert to fraction form
    76,589,126.62/105,678,539.54 = 45,652,174.54/x
  3. Step 3: Cross multiply
    76,589,126.62x = 105,678,539.54 × 45,652,174.54
  4. Step 4: Simplify right side
    76,589,126.62x = 4,824,455,132,212,372
  5. Step 5: Solve for x
    x = 4,824,455,132,212,372/76,589,126.62
  6. Step 6: Final answer
    x = 62,991,384.61

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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.