Home / 72,895,759.20-100,596,327.96-39,858,142.56

Finding the Fourth Proportional to 72,895,759.20, 100,596,327.96 and 39,858,142.56

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Solution

The fourth proportional to 72,895,759.20, 100,596,327.96 and 39,858,142.56 is: 55,004,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,895,759.20 : 100,596,327.96 = 39,858,142.56 : x
  2. Step 2: Convert to fraction form
    72,895,759.20/100,596,327.96 = 39,858,142.56/x
  3. Step 3: Cross multiply
    72,895,759.20x = 100,596,327.96 × 39,858,142.56
  4. Step 4: Simplify right side
    72,895,759.20x = 4,009,582,780,842,194
  5. Step 5: Solve for x
    x = 4,009,582,780,842,194/72,895,759.20
  6. Step 6: Final answer
    x = 55,004,335.30

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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.