Home / 50,985,128.34-70,359,487.21-27,780,255.30

Finding the Fourth Proportional to 50,985,128.34, 70,359,487.21 and 27,780,255.30

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Solution

The fourth proportional to 50,985,128.34, 70,359,487.21 and 27,780,255.30 is: 38,336,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985,128.34 : 70,359,487.21 = 27,780,255.30 : x
  2. Step 2: Convert to fraction form
    50,985,128.34/70,359,487.21 = 27,780,255.30/x
  3. Step 3: Cross multiply
    50,985,128.34x = 70,359,487.21 × 27,780,255.30
  4. Step 4: Simplify right side
    50,985,128.34x = 1,954,604,517,470,884.50
  5. Step 5: Solve for x
    x = 1,954,604,517,470,884.50/50,985,128.34
  6. Step 6: Final answer
    x = 38,336,757.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.