Home / 72,079,425.32-99,469,004.20-39,038,907.29

Finding the Fourth Proportional to 72,079,425.32, 99,469,004.20 and 39,038,907.29

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Solution

The fourth proportional to 72,079,425.32, 99,469,004.20 and 39,038,907.29 is: 53,873,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,079,425.32 : 99,469,004.20 = 39,038,907.29 : x
  2. Step 2: Convert to fraction form
    72,079,425.32/99,469,004.20 = 39,038,907.29/x
  3. Step 3: Cross multiply
    72,079,425.32x = 99,469,004.20 × 39,038,907.29
  4. Step 4: Simplify right side
    72,079,425.32x = 3,883,161,232,597,478
  5. Step 5: Solve for x
    x = 3,883,161,232,597,478/72,079,425.32
  6. Step 6: Final answer
    x = 53,873,365.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.