Home / 72,631,805.40-108,976,904.55-29,504,384.10

Finding the Fourth Proportional to 72,631,805.40, 108,976,904.55 and 29,504,384.10

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Solution

The fourth proportional to 72,631,805.40, 108,976,904.55 and 29,504,384.10 is: 44,268,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,631,805.40 : 108,976,904.55 = 29,504,384.10 : x
  2. Step 2: Convert to fraction form
    72,631,805.40/108,976,904.55 = 29,504,384.10/x
  3. Step 3: Cross multiply
    72,631,805.40x = 108,976,904.55 × 29,504,384.10
  4. Step 4: Simplify right side
    72,631,805.40x = 3,215,296,449,872,237.50
  5. Step 5: Solve for x
    x = 3,215,296,449,872,237.50/72,631,805.40
  6. Step 6: Final answer
    x = 44,268,436.29

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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.