Home / 136,274,666.67-188,058,083.31-74,395,005.21

Finding the Fourth Proportional to 136,274,666.67, 188,058,083.31 and 74,395,005.21

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Solution

The fourth proportional to 136,274,666.67, 188,058,083.31 and 74,395,005.21 is: 102,664,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,666.67 : 188,058,083.31 = 74,395,005.21 : x
  2. Step 2: Convert to fraction form
    136,274,666.67/188,058,083.31 = 74,395,005.21/x
  3. Step 3: Cross multiply
    136,274,666.67x = 188,058,083.31 × 74,395,005.21
  4. Step 4: Simplify right side
    136,274,666.67x = 13,990,582,087,630,062
  5. Step 5: Solve for x
    x = 13,990,582,087,630,062/136,274,666.67
  6. Step 6: Final answer
    x = 102,664,584.91

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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.