Home / 57,490,873.39-79,337,001.69-31,385,391.23

Finding the Fourth Proportional to 57,490,873.39, 79,337,001.69 and 31,385,391.23

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Solution

The fourth proportional to 57,490,873.39, 79,337,001.69 and 31,385,391.23 is: 43,311,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490,873.39 : 79,337,001.69 = 31,385,391.23 : x
  2. Step 2: Convert to fraction form
    57,490,873.39/79,337,001.69 = 31,385,391.23/x
  3. Step 3: Cross multiply
    57,490,873.39x = 79,337,001.69 × 31,385,391.23
  4. Step 4: Simplify right side
    57,490,873.39x = 2,490,022,837,055,821
  5. Step 5: Solve for x
    x = 2,490,022,837,055,821/57,490,873.39
  6. Step 6: Final answer
    x = 43,311,619.57

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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.