Home / 63,784,079.63-95,690,072.96-20,657,642.48

Finding the Fourth Proportional to 63,784,079.63, 95,690,072.96 and 20,657,642.48

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Solution

The fourth proportional to 63,784,079.63, 95,690,072.96 and 20,657,642.48 is: 30,990,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,784,079.63 : 95,690,072.96 = 20,657,642.48 : x
  2. Step 2: Convert to fraction form
    63,784,079.63/95,690,072.96 = 20,657,642.48/x
  3. Step 3: Cross multiply
    63,784,079.63x = 95,690,072.96 × 20,657,642.48
  4. Step 4: Simplify right side
    63,784,079.63x = 1,976,731,315,511,056.75
  5. Step 5: Solve for x
    x = 1,976,731,315,511,056.75/63,784,079.63
  6. Step 6: Final answer
    x = 30,990,982.81

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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.