Home / 48,512,004.80-72,768,007.20-39,902,660.60

Finding the Fourth Proportional to 48,512,004.80, 72,768,007.20 and 39,902,660.60

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Solution

The fourth proportional to 48,512,004.80, 72,768,007.20 and 39,902,660.60 is: 59,853,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,004.80 : 72,768,007.20 = 39,902,660.60 : x
  2. Step 2: Convert to fraction form
    48,512,004.80/72,768,007.20 = 39,902,660.60/x
  3. Step 3: Cross multiply
    48,512,004.80x = 72,768,007.20 × 39,902,660.60
  4. Step 4: Simplify right side
    48,512,004.80x = 2,903,637,093,839,956.50
  5. Step 5: Solve for x
    x = 2,903,637,093,839,956.50/48,512,004.80
  6. Step 6: Final answer
    x = 59,853,990.90

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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.