Home / 130,040,331.45-179,448,763.01-74,274,801.09

Finding the Fourth Proportional to 130,040,331.45, 179,448,763.01 and 74,274,801.09

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Solution

The fourth proportional to 130,040,331.45, 179,448,763.01 and 74,274,801.09 is: 102,495,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040,331.45 : 179,448,763.01 = 74,274,801.09 : x
  2. Step 2: Convert to fraction form
    130,040,331.45/179,448,763.01 = 74,274,801.09/x
  3. Step 3: Cross multiply
    130,040,331.45x = 179,448,763.01 × 74,274,801.09
  4. Step 4: Simplify right side
    130,040,331.45x = 13,328,521,178,042,926
  5. Step 5: Solve for x
    x = 13,328,521,178,042,926/130,040,331.45
  6. Step 6: Final answer
    x = 102,495,287.65

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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.