Home / 76,895,860.85-115,344,090.50-18,603,445.29

Finding the Fourth Proportional to 76,895,860.85, 115,344,090.50 and 18,603,445.29

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Solution

The fourth proportional to 76,895,860.85, 115,344,090.50 and 18,603,445.29 is: 27,905,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,895,860.85 : 115,344,090.50 = 18,603,445.29 : x
  2. Step 2: Convert to fraction form
    76,895,860.85/115,344,090.50 = 18,603,445.29/x
  3. Step 3: Cross multiply
    76,895,860.85x = 115,344,090.50 × 18,603,445.29
  4. Step 4: Simplify right side
    76,895,860.85x = 2,145,797,477,141,558.75
  5. Step 5: Solve for x
    x = 2,145,797,477,141,558.75/76,895,860.85
  6. Step 6: Final answer
    x = 27,905,240.33

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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.