Home / 51,480,110.43-71,043,939.74-30,288,369.42

Finding the Fourth Proportional to 51,480,110.43, 71,043,939.74 and 30,288,369.42

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Solution

The fourth proportional to 51,480,110.43, 71,043,939.74 and 30,288,369.42 is: 41,798,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480,110.43 : 71,043,939.74 = 30,288,369.42 : x
  2. Step 2: Convert to fraction form
    51,480,110.43/71,043,939.74 = 30,288,369.42/x
  3. Step 3: Cross multiply
    51,480,110.43x = 71,043,939.74 × 30,288,369.42
  4. Step 4: Simplify right side
    51,480,110.43x = 2,151,805,091,897,338.75
  5. Step 5: Solve for x
    x = 2,151,805,091,897,338.75/51,480,110.43
  6. Step 6: Final answer
    x = 41,798,766.05

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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.