Home / 68,909,970.30-95,099,995.11-37,970,131.50

Finding the Fourth Proportional to 68,909,970.30, 95,099,995.11 and 37,970,131.50

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Solution

The fourth proportional to 68,909,970.30, 95,099,995.11 and 37,970,131.50 is: 52,401,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,909,970.30 : 95,099,995.11 = 37,970,131.50 : x
  2. Step 2: Convert to fraction form
    68,909,970.30/95,099,995.11 = 37,970,131.50/x
  3. Step 3: Cross multiply
    68,909,970.30x = 95,099,995.11 × 37,970,131.50
  4. Step 4: Simplify right side
    68,909,970.30x = 3,610,959,319,976,057
  5. Step 5: Solve for x
    x = 3,610,959,319,976,057/68,909,970.30
  6. Step 6: Final answer
    x = 52,401,115.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.