Home / 285,016,667.47-427,589,466.86-153,856,127.73

Finding the Fourth Proportional to 285,016,667.47, 427,589,466.86 and 153,856,127.73

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Solution

The fourth proportional to 285,016,667.47, 427,589,466.86 and 153,856,127.73 is: 230,818,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,016,667.47 : 427,589,466.86 = 153,856,127.73 : x
  2. Step 2: Convert to fraction form
    285,016,667.47/427,589,466.86 = 153,856,127.73/x
  3. Step 3: Cross multiply
    285,016,667.47x = 427,589,466.86 × 153,856,127.73
  4. Step 4: Simplify right side
    285,016,667.47x = 65,787,259,629,214,760
  5. Step 5: Solve for x
    x = 65,787,259,629,214,760/285,016,667.47
  6. Step 6: Final answer
    x = 230,818,991.09

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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.