Home / 213,561,970.30-320,342,955.45-52,003,906.30

Finding the Fourth Proportional to 213,561,970.30, 320,342,955.45 and 52,003,906.30

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Solution

The fourth proportional to 213,561,970.30, 320,342,955.45 and 52,003,906.30 is: 78,005,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,561,970.30 : 320,342,955.45 = 52,003,906.30 : x
  2. Step 2: Convert to fraction form
    213,561,970.30/320,342,955.45 = 52,003,906.30/x
  3. Step 3: Cross multiply
    213,561,970.30x = 320,342,955.45 × 52,003,906.30
  4. Step 4: Simplify right side
    213,561,970.30x = 16,659,085,039,086,872
  5. Step 5: Solve for x
    x = 16,659,085,039,086,872/213,561,970.30
  6. Step 6: Final answer
    x = 78,005,859.45

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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.