Home / 57,377,023.11-79,177,986.41-31,270,980.29

Finding the Fourth Proportional to 57,377,023.11, 79,177,986.41 and 31,270,980.29

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Solution

The fourth proportional to 57,377,023.11, 79,177,986.41 and 31,270,980.29 is: 43,152,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377,023.11 : 79,177,986.41 = 31,270,980.29 : x
  2. Step 2: Convert to fraction form
    57,377,023.11/79,177,986.41 = 31,270,980.29/x
  3. Step 3: Cross multiply
    57,377,023.11x = 79,177,986.41 × 31,270,980.29
  4. Step 4: Simplify right side
    57,377,023.11x = 2,475,973,251,876,753
  5. Step 5: Solve for x
    x = 2,475,973,251,876,753/57,377,023.11
  6. Step 6: Final answer
    x = 43,152,696.28

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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.