Home / 68,152,541.25-102,228,811.89-20,283,485.25

Finding the Fourth Proportional to 68,152,541.25, 102,228,811.89 and 20,283,485.25

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Solution

The fourth proportional to 68,152,541.25, 102,228,811.89 and 20,283,485.25 is: 30,425,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,152,541.25 : 102,228,811.89 = 20,283,485.25 : x
  2. Step 2: Convert to fraction form
    68,152,541.25/102,228,811.89 = 20,283,485.25/x
  3. Step 3: Cross multiply
    68,152,541.25x = 102,228,811.89 × 20,283,485.25
  4. Step 4: Simplify right side
    68,152,541.25x = 2,073,556,598,095,839.75
  5. Step 5: Solve for x
    x = 2,073,556,598,095,839.75/68,152,541.25
  6. Step 6: Final answer
    x = 30,425,227.88

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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.