Home / 60,683,406.81-91,006,136.78-20,284,442.97

Finding the Fourth Proportional to 60,683,406.81, 91,006,136.78 and 20,284,442.97

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Solution

The fourth proportional to 60,683,406.81, 91,006,136.78 and 20,284,442.97 is: 30,420,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,683,406.81 : 91,006,136.78 = 20,284,442.97 : x
  2. Step 2: Convert to fraction form
    60,683,406.81/91,006,136.78 = 20,284,442.97/x
  3. Step 3: Cross multiply
    60,683,406.81x = 91,006,136.78 × 20,284,442.97
  4. Step 4: Simplify right side
    60,683,406.81x = 1,846,008,791,332,507.25
  5. Step 5: Solve for x
    x = 1,846,008,791,332,507.25/60,683,406.81
  6. Step 6: Final answer
    x = 30,420,322.27

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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.