Home / 97,821,605.80-146,384,043.90-85,180,940.20

Finding the Fourth Proportional to 97,821,605.80, 146,384,043.90 and 85,180,940.20

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Solution

The fourth proportional to 97,821,605.80, 146,384,043.90 and 85,180,940.20 is: 127,468,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,821,605.80 : 146,384,043.90 = 85,180,940.20 : x
  2. Step 2: Convert to fraction form
    97,821,605.80/146,384,043.90 = 85,180,940.20/x
  3. Step 3: Cross multiply
    97,821,605.80x = 146,384,043.90 × 85,180,940.20
  4. Step 4: Simplify right side
    97,821,605.80x = 12,469,130,489,680,076
  5. Step 5: Solve for x
    x = 12,469,130,489,680,076/97,821,605.80
  6. Step 6: Final answer
    x = 127,468,061.76

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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.