Home / 67,811,799.81-101,708,122.78-21,747,683.11

Finding the Fourth Proportional to 67,811,799.81, 101,708,122.78 and 21,747,683.11

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Solution

The fourth proportional to 67,811,799.81, 101,708,122.78 and 21,747,683.11 is: 32,618,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811,799.81 : 101,708,122.78 = 21,747,683.11 : x
  2. Step 2: Convert to fraction form
    67,811,799.81/101,708,122.78 = 21,747,683.11/x
  3. Step 3: Cross multiply
    67,811,799.81x = 101,708,122.78 × 21,747,683.11
  4. Step 4: Simplify right side
    67,811,799.81x = 2,211,916,023,823,674
  5. Step 5: Solve for x
    x = 2,211,916,023,823,674/67,811,799.81
  6. Step 6: Final answer
    x = 32,618,453.28

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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.