Home / 76,762,591.72-115,026,720.68-45,576,837.83

Finding the Fourth Proportional to 76,762,591.72, 115,026,720.68 and 45,576,837.83

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Solution

The fourth proportional to 76,762,591.72, 115,026,720.68 and 45,576,837.83 is: 68,295,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,762,591.72 : 115,026,720.68 = 45,576,837.83 : x
  2. Step 2: Convert to fraction form
    76,762,591.72/115,026,720.68 = 45,576,837.83/x
  3. Step 3: Cross multiply
    76,762,591.72x = 115,026,720.68 × 45,576,837.83
  4. Step 4: Simplify right side
    76,762,591.72x = 5,242,554,193,973,934
  5. Step 5: Solve for x
    x = 5,242,554,193,973,934/76,762,591.72
  6. Step 6: Final answer
    x = 68,295,690.34

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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.