Home / 90,314,827.66-135,474,049.41-28,915,706.62

Finding the Fourth Proportional to 90,314,827.66, 135,474,049.41 and 28,915,706.62

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Solution

The fourth proportional to 90,314,827.66, 135,474,049.41 and 28,915,706.62 is: 43,374,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,314,827.66 : 135,474,049.41 = 28,915,706.62 : x
  2. Step 2: Convert to fraction form
    90,314,827.66/135,474,049.41 = 28,915,706.62/x
  3. Step 3: Cross multiply
    90,314,827.66x = 135,474,049.41 × 28,915,706.62
  4. Step 4: Simplify right side
    90,314,827.66x = 3,917,327,867,362,944
  5. Step 5: Solve for x
    x = 3,917,327,867,362,944/90,314,827.66
  6. Step 6: Final answer
    x = 43,374,138.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.