Home / 50,985,129.84-70,359,489.28-27,780,256.80

Finding the Fourth Proportional to 50,985,129.84, 70,359,489.28 and 27,780,256.80

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Solution

The fourth proportional to 50,985,129.84, 70,359,489.28 and 27,780,256.80 is: 38,336,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985,129.84 : 70,359,489.28 = 27,780,256.80 : x
  2. Step 2: Convert to fraction form
    50,985,129.84/70,359,489.28 = 27,780,256.80/x
  3. Step 3: Cross multiply
    50,985,129.84x = 70,359,489.28 × 27,780,256.80
  4. Step 4: Simplify right side
    50,985,129.84x = 1,954,604,680,515,247.25
  5. Step 5: Solve for x
    x = 1,954,604,680,515,247.25/50,985,129.84
  6. Step 6: Final answer
    x = 38,336,759.89

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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.