Home / 48,871,540.08-73,307,378.16-20,820,771.90

Finding the Fourth Proportional to 48,871,540.08, 73,307,378.16 and 20,820,771.90

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Solution

The fourth proportional to 48,871,540.08, 73,307,378.16 and 20,820,771.90 is: 31,231,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871,540.08 : 73,307,378.16 = 20,820,771.90 : x
  2. Step 2: Convert to fraction form
    48,871,540.08/73,307,378.16 = 20,820,771.90/x
  3. Step 3: Cross multiply
    48,871,540.08x = 73,307,378.16 × 20,820,771.90
  4. Step 4: Simplify right side
    48,871,540.08x = 1,526,316,199,256,401.50
  5. Step 5: Solve for x
    x = 1,526,316,199,256,401.50/48,871,540.08
  6. Step 6: Final answer
    x = 31,231,186.84

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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.