Home / 136,845,181.32-188,844,845.22-74,119,718.76

Finding the Fourth Proportional to 136,845,181.32, 188,844,845.22 and 74,119,718.76

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Solution

The fourth proportional to 136,845,181.32, 188,844,845.22 and 74,119,718.76 is: 102,284,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,845,181.32 : 188,844,845.22 = 74,119,718.76 : x
  2. Step 2: Convert to fraction form
    136,845,181.32/188,844,845.22 = 74,119,718.76/x
  3. Step 3: Cross multiply
    136,845,181.32x = 188,844,845.22 × 74,119,718.76
  4. Step 4: Simplify right side
    136,845,181.32x = 13,997,126,816,982,132
  5. Step 5: Solve for x
    x = 13,997,126,816,982,132/136,845,181.32
  6. Step 6: Final answer
    x = 102,284,396.73

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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.