Home / 76,895,860.23-115,344,089.57-18,603,444.67

Finding the Fourth Proportional to 76,895,860.23, 115,344,089.57 and 18,603,444.67

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Solution

The fourth proportional to 76,895,860.23, 115,344,089.57 and 18,603,444.67 is: 27,905,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,895,860.23 : 115,344,089.57 = 18,603,444.67 : x
  2. Step 2: Convert to fraction form
    76,895,860.23/115,344,089.57 = 18,603,444.67/x
  3. Step 3: Cross multiply
    76,895,860.23x = 115,344,089.57 × 18,603,444.67
  4. Step 4: Simplify right side
    76,895,860.23x = 2,145,797,388,085,167.75
  5. Step 5: Solve for x
    x = 2,145,797,388,085,167.75/76,895,860.23
  6. Step 6: Final answer
    x = 27,905,239.39

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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.