Home / 84,818,255.70-127,227,383.55-20,992,847.70

Finding the Fourth Proportional to 84,818,255.70, 127,227,383.55 and 20,992,847.70

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Solution

The fourth proportional to 84,818,255.70, 127,227,383.55 and 20,992,847.70 is: 31,489,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818,255.70 : 127,227,383.55 = 20,992,847.70 : x
  2. Step 2: Convert to fraction form
    84,818,255.70/127,227,383.55 = 20,992,847.70/x
  3. Step 3: Cross multiply
    84,818,255.70x = 127,227,383.55 × 20,992,847.70
  4. Step 4: Simplify right side
    84,818,255.70x = 2,670,865,086,134,635
  5. Step 5: Solve for x
    x = 2,670,865,086,134,635/84,818,255.70
  6. Step 6: Final answer
    x = 31,489,271.55

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1.5x scale

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.