Home / 136,274,663.49-188,058,078.93-74,395,002.06

Finding the Fourth Proportional to 136,274,663.49, 188,058,078.93 and 74,395,002.06

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Solution

The fourth proportional to 136,274,663.49, 188,058,078.93 and 74,395,002.06 is: 102,664,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,663.49 : 188,058,078.93 = 74,395,002.06 : x
  2. Step 2: Convert to fraction form
    136,274,663.49/188,058,078.93 = 74,395,002.06/x
  3. Step 3: Cross multiply
    136,274,663.49x = 188,058,078.93 × 74,395,002.06
  4. Step 4: Simplify right side
    136,274,663.49x = 13,990,581,169,396,994
  5. Step 5: Solve for x
    x = 13,990,581,169,396,994/136,274,663.49
  6. Step 6: Final answer
    x = 102,664,580.57

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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.