Home / 66,016,337.52-99,039,202.02-21,702,625.32

Finding the Fourth Proportional to 66,016,337.52, 99,039,202.02 and 21,702,625.32

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Solution

The fourth proportional to 66,016,337.52, 99,039,202.02 and 21,702,625.32 is: 32,558,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,016,337.52 : 99,039,202.02 = 21,702,625.32 : x
  2. Step 2: Convert to fraction form
    66,016,337.52/99,039,202.02 = 21,702,625.32/x
  3. Step 3: Cross multiply
    66,016,337.52x = 99,039,202.02 × 21,702,625.32
  4. Step 4: Simplify right side
    66,016,337.52x = 2,149,410,693,431,847
  5. Step 5: Solve for x
    x = 2,149,410,693,431,847/66,016,337.52
  6. Step 6: Final answer
    x = 32,558,769.15

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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.