Home / 76,589,141.62-105,678,560.23-45,652,189.54

Finding the Fourth Proportional to 76,589,141.62, 105,678,560.23 and 45,652,189.54

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Solution

The fourth proportional to 76,589,141.62, 105,678,560.23 and 45,652,189.54 is: 62,991,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589,141.62 : 105,678,560.23 = 45,652,189.54 : x
  2. Step 2: Convert to fraction form
    76,589,141.62/105,678,560.23 = 45,652,189.54/x
  3. Step 3: Cross multiply
    76,589,141.62x = 105,678,560.23 × 45,652,189.54
  4. Step 4: Simplify right side
    76,589,141.62x = 4,824,457,661,934,266
  5. Step 5: Solve for x
    x = 4,824,457,661,934,266/76,589,141.62
  6. Step 6: Final answer
    x = 62,991,405.31

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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.