Home / 57,371,242.78-79,170,005.29-31,265,200.09

Finding the Fourth Proportional to 57,371,242.78, 79,170,005.29 and 31,265,200.09

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Solution

The fourth proportional to 57,371,242.78, 79,170,005.29 and 31,265,200.09 is: 43,144,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371,242.78 : 79,170,005.29 = 31,265,200.09 : x
  2. Step 2: Convert to fraction form
    57,371,242.78/79,170,005.29 = 31,265,200.09/x
  3. Step 3: Cross multiply
    57,371,242.78x = 79,170,005.29 × 31,265,200.09
  4. Step 4: Simplify right side
    57,371,242.78x = 2,475,266,055,966,032.50
  5. Step 5: Solve for x
    x = 2,475,266,055,966,032.50/57,371,242.78
  6. Step 6: Final answer
    x = 43,144,717.39

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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.