Home / 57,371,245.09-79,170,008.48-31,265,202.40

Finding the Fourth Proportional to 57,371,245.09, 79,170,008.48 and 31,265,202.40

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Solution

The fourth proportional to 57,371,245.09, 79,170,008.48 and 31,265,202.40 is: 43,144,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371,245.09 : 79,170,008.48 = 31,265,202.40 : x
  2. Step 2: Convert to fraction form
    57,371,245.09/79,170,008.48 = 31,265,202.40/x
  3. Step 3: Cross multiply
    57,371,245.09x = 79,170,008.48 × 31,265,202.40
  4. Step 4: Simplify right side
    57,371,245.09x = 2,475,266,338,899,910
  5. Step 5: Solve for x
    x = 2,475,266,338,899,910/57,371,245.09
  6. Step 6: Final answer
    x = 43,144,720.58

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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.