Home / 179,730,665.61-269,632,628.23-81,315,100.63

Finding the Fourth Proportional to 179,730,665.61, 269,632,628.23 and 81,315,100.63

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Solution

The fourth proportional to 179,730,665.61, 269,632,628.23 and 81,315,100.63 is: 121,989,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,730,665.61 : 269,632,628.23 = 81,315,100.63 : x
  2. Step 2: Convert to fraction form
    179,730,665.61/269,632,628.23 = 81,315,100.63/x
  3. Step 3: Cross multiply
    179,730,665.61x = 269,632,628.23 × 81,315,100.63
  4. Step 4: Simplify right side
    179,730,665.61x = 21,925,204,297,940,452
  5. Step 5: Solve for x
    x = 21,925,204,297,940,452/179,730,665.61
  6. Step 6: Final answer
    x = 121,989,223.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.