Home / 68,620,420.05-102,929,973.98-16,805,250.60

Finding the Fourth Proportional to 68,620,420.05, 102,929,973.98 and 16,805,250.60

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Solution

The fourth proportional to 68,620,420.05, 102,929,973.98 and 16,805,250.60 is: 25,207,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,620,420.05 : 102,929,973.98 = 16,805,250.60 : x
  2. Step 2: Convert to fraction form
    68,620,420.05/102,929,973.98 = 16,805,250.60/x
  3. Step 3: Cross multiply
    68,620,420.05x = 102,929,973.98 × 16,805,250.60
  4. Step 4: Simplify right side
    68,620,420.05x = 1,729,764,006,901,353.25
  5. Step 5: Solve for x
    x = 1,729,764,006,901,353.25/68,620,420.05
  6. Step 6: Final answer
    x = 25,207,715.22

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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.