Home / 140,412,171-210,646,982.78-48,283,944.02

Finding the Fourth Proportional to 140,412,171, 210,646,982.78 and 48,283,944.02

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Solution

The fourth proportional to 140,412,171, 210,646,982.78 and 48,283,944.02 is: 72,435,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,412,171 : 210,646,982.78 = 48,283,944.02 : x
  2. Step 2: Convert to fraction form
    140,412,171/210,646,982.78 = 48,283,944.02/x
  3. Step 3: Cross multiply
    140,412,171x = 210,646,982.78 × 48,283,944.02
  4. Step 4: Simplify right side
    140,412,171x = 10,170,867,124,531,424
  5. Step 5: Solve for x
    x = 10,170,867,124,531,424/140,412,171
  6. Step 6: Final answer
    x = 72,435,794.22

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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.