Home / 72,218,200.08-99,659,315.88-40,427,924.88

Finding the Fourth Proportional to 72,218,200.08, 99,659,315.88 and 40,427,924.88

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Solution

The fourth proportional to 72,218,200.08, 99,659,315.88 and 40,427,924.88 is: 55,789,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,218,200.08 : 99,659,315.88 = 40,427,924.88 : x
  2. Step 2: Convert to fraction form
    72,218,200.08/99,659,315.88 = 40,427,924.88/x
  3. Step 3: Cross multiply
    72,218,200.08x = 99,659,315.88 × 40,427,924.88
  4. Step 4: Simplify right side
    72,218,200.08x = 4,029,019,335,988,831
  5. Step 5: Solve for x
    x = 4,029,019,335,988,831/72,218,200.08
  6. Step 6: Final answer
    x = 55,789,528.56

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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.