Home / 213,013,410.23-293,936,102.56-123,687,893.54

Finding the Fourth Proportional to 213,013,410.23, 293,936,102.56 and 123,687,893.54

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Solution

The fourth proportional to 213,013,410.23, 293,936,102.56 and 123,687,893.54 is: 170,676,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,013,410.23 : 293,936,102.56 = 123,687,893.54 : x
  2. Step 2: Convert to fraction form
    213,013,410.23/293,936,102.56 = 123,687,893.54/x
  3. Step 3: Cross multiply
    213,013,410.23x = 293,936,102.56 × 123,687,893.54
  4. Step 4: Simplify right side
    213,013,410.23x = 36,356,337,361,576,128
  5. Step 5: Solve for x
    x = 36,356,337,361,576,128/213,013,410.23
  6. Step 6: Final answer
    x = 170,676,284.28

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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.