Home / 136,727,607.54-188,684,083.68-74,003,694

Finding the Fourth Proportional to 136,727,607.54, 188,684,083.68 and 74,003,694

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Solution

The fourth proportional to 136,727,607.54, 188,684,083.68 and 74,003,694 is: 102,125,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,727,607.54 : 188,684,083.68 = 74,003,694 : x
  2. Step 2: Convert to fraction form
    136,727,607.54/188,684,083.68 = 74,003,694/x
  3. Step 3: Cross multiply
    136,727,607.54x = 188,684,083.68 × 74,003,694
  4. Step 4: Simplify right side
    136,727,607.54x = 13,963,319,191,325,114
  5. Step 5: Solve for x
    x = 13,963,319,191,325,114/136,727,607.54
  6. Step 6: Final answer
    x = 102,125,089.75

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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.