Home / 136,274,666.50-188,058,083.08-74,395,005.06

Finding the Fourth Proportional to 136,274,666.50, 188,058,083.08 and 74,395,005.06

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Solution

The fourth proportional to 136,274,666.50, 188,058,083.08 and 74,395,005.06 is: 102,664,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,666.50 : 188,058,083.08 = 74,395,005.06 : x
  2. Step 2: Convert to fraction form
    136,274,666.50/188,058,083.08 = 74,395,005.06/x
  3. Step 3: Cross multiply
    136,274,666.50x = 188,058,083.08 × 74,395,005.06
  4. Step 4: Simplify right side
    136,274,666.50x = 13,990,582,042,310,502
  5. Step 5: Solve for x
    x = 13,990,582,042,310,502/136,274,666.50
  6. Step 6: Final answer
    x = 102,664,584.71

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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.