Home / 65,784,008.01-90,780,828.66-36,414,712.11

Finding the Fourth Proportional to 65,784,008.01, 90,780,828.66 and 36,414,712.11

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Solution

The fourth proportional to 65,784,008.01, 90,780,828.66 and 36,414,712.11 is: 50,251,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,784,008.01 : 90,780,828.66 = 36,414,712.11 : x
  2. Step 2: Convert to fraction form
    65,784,008.01/90,780,828.66 = 36,414,712.11/x
  3. Step 3: Cross multiply
    65,784,008.01x = 90,780,828.66 × 36,414,712.11
  4. Step 4: Simplify right side
    65,784,008.01x = 3,305,757,740,761,137
  5. Step 5: Solve for x
    x = 3,305,757,740,761,137/65,784,008.01
  6. Step 6: Final answer
    x = 50,251,692.48

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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.