Home / 76,935,108.98-115,424,238.23-30,909,297.89

Finding the Fourth Proportional to 76,935,108.98, 115,424,238.23 and 30,909,297.89

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Solution

The fourth proportional to 76,935,108.98, 115,424,238.23 and 30,909,297.89 is: 46,372,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935,108.98 : 115,424,238.23 = 30,909,297.89 : x
  2. Step 2: Convert to fraction form
    76,935,108.98/115,424,238.23 = 30,909,297.89/x
  3. Step 3: Cross multiply
    76,935,108.98x = 115,424,238.23 × 30,909,297.89
  4. Step 4: Simplify right side
    76,935,108.98x = 3,567,682,163,427,320.50
  5. Step 5: Solve for x
    x = 3,567,682,163,427,320.50/76,935,108.98
  6. Step 6: Final answer
    x = 46,372,614.67

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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.