Home / 57,526,420.82-79,385,987.81-31,420,956.34

Finding the Fourth Proportional to 57,526,420.82, 79,385,987.81 and 31,420,956.34

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Solution

The fourth proportional to 57,526,420.82, 79,385,987.81 and 31,420,956.34 is: 43,360,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,526,420.82 : 79,385,987.81 = 31,420,956.34 : x
  2. Step 2: Convert to fraction form
    57,526,420.82/79,385,987.81 = 31,420,956.34/x
  3. Step 3: Cross multiply
    57,526,420.82x = 79,385,987.81 × 31,420,956.34
  4. Step 4: Simplify right side
    57,526,420.82x = 2,494,383,656,431,748
  5. Step 5: Solve for x
    x = 2,494,383,656,431,748/57,526,420.82
  6. Step 6: Final answer
    x = 43,360,661.43

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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.