Home / 68,188,858.90-102,282,588.48-39,416,686.90

Finding the Fourth Proportional to 68,188,858.90, 102,282,588.48 and 39,416,686.90

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Solution

The fourth proportional to 68,188,858.90, 102,282,588.48 and 39,416,686.90 is: 59,124,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188,858.90 : 102,282,588.48 = 39,416,686.90 : x
  2. Step 2: Convert to fraction form
    68,188,858.90/102,282,588.48 = 39,416,686.90/x
  3. Step 3: Cross multiply
    68,188,858.90x = 102,282,588.48 × 39,416,686.90
  4. Step 4: Simplify right side
    68,188,858.90x = 4,031,640,765,437,707
  5. Step 5: Solve for x
    x = 4,031,640,765,437,707/68,188,858.90
  6. Step 6: Final answer
    x = 59,124,625.79

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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.