Home / 50,985,145.80-70,359,511.28-27,780,272.69

Finding the Fourth Proportional to 50,985,145.80, 70,359,511.28 and 27,780,272.69

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Solution

The fourth proportional to 50,985,145.80, 70,359,511.28 and 27,780,272.69 is: 38,336,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985,145.80 : 70,359,511.28 = 27,780,272.69 : x
  2. Step 2: Convert to fraction form
    50,985,145.80/70,359,511.28 = 27,780,272.69/x
  3. Step 3: Cross multiply
    50,985,145.80x = 70,359,511.28 × 27,780,272.69
  4. Step 4: Simplify right side
    50,985,145.80x = 1,954,606,409,202,832
  5. Step 5: Solve for x
    x = 1,954,606,409,202,832/50,985,145.80
  6. Step 6: Final answer
    x = 38,336,781.79

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1.5x scale

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.