Home / 72,665,676.81-108,971,352.68-29,520,343.98

Finding the Fourth Proportional to 72,665,676.81, 108,971,352.68 and 29,520,343.98

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Solution

The fourth proportional to 72,665,676.81, 108,971,352.68 and 29,520,343.98 is: 44,269,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,665,676.81 : 108,971,352.68 = 29,520,343.98 : x
  2. Step 2: Convert to fraction form
    72,665,676.81/108,971,352.68 = 29,520,343.98/x
  3. Step 3: Cross multiply
    72,665,676.81x = 108,971,352.68 × 29,520,343.98
  4. Step 4: Simplify right side
    72,665,676.81x = 3,216,871,814,931,893
  5. Step 5: Solve for x
    x = 3,216,871,814,931,893/72,665,676.81
  6. Step 6: Final answer
    x = 44,269,481.22

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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.