Home / 60,580,321.20-90,871,000.20-20,190,805.20

Finding the Fourth Proportional to 60,580,321.20, 90,871,000.20 and 20,190,805.20

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Solution

The fourth proportional to 60,580,321.20, 90,871,000.20 and 20,190,805.20 is: 30,286,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,580,321.20 : 90,871,000.20 = 20,190,805.20 : x
  2. Step 2: Convert to fraction form
    60,580,321.20/90,871,000.20 = 20,190,805.20/x
  3. Step 3: Cross multiply
    60,580,321.20x = 90,871,000.20 × 20,190,805.20
  4. Step 4: Simplify right side
    60,580,321.20x = 1,834,758,663,367,361
  5. Step 5: Solve for x
    x = 1,834,758,663,367,361/60,580,321.20
  6. Step 6: Final answer
    x = 30,286,380.58

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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.