Home / 193,632,295.20-290,448,442.80-72,448,000.80

Finding the Fourth Proportional to 193,632,295.20, 290,448,442.80 and 72,448,000.80

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Solution

The fourth proportional to 193,632,295.20, 290,448,442.80 and 72,448,000.80 is: 108,672,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,632,295.20 : 290,448,442.80 = 72,448,000.80 : x
  2. Step 2: Convert to fraction form
    193,632,295.20/290,448,442.80 = 72,448,000.80/x
  3. Step 3: Cross multiply
    193,632,295.20x = 290,448,442.80 × 72,448,000.80
  4. Step 4: Simplify right side
    193,632,295.20x = 21,042,409,016,333,156
  5. Step 5: Solve for x
    x = 21,042,409,016,333,156/193,632,295.20
  6. Step 6: Final answer
    x = 108,672,001.20

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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.