Home / 220,572,617.40-330,871,367.70-67,223,676.60

Finding the Fourth Proportional to 220,572,617.40, 330,871,367.70 and 67,223,676.60

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Solution

The fourth proportional to 220,572,617.40, 330,871,367.70 and 67,223,676.60 is: 100,839,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,572,617.40 : 330,871,367.70 = 67,223,676.60 : x
  2. Step 2: Convert to fraction form
    220,572,617.40/330,871,367.70 = 67,223,676.60/x
  3. Step 3: Cross multiply
    220,572,617.40x = 330,871,367.70 × 67,223,676.60
  4. Step 4: Simplify right side
    220,572,617.40x = 22,242,389,818,464,484
  5. Step 5: Solve for x
    x = 22,242,389,818,464,484/220,572,617.40
  6. Step 6: Final answer
    x = 100,839,306.71

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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.