Home / 51,580,906.56-71,178,840-28,372,286.88

Finding the Fourth Proportional to 51,580,906.56, 71,178,840 and 28,372,286.88

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Solution

The fourth proportional to 51,580,906.56, 71,178,840 and 28,372,286.88 is: 39,152,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580,906.56 : 71,178,840 = 28,372,286.88 : x
  2. Step 2: Convert to fraction form
    51,580,906.56/71,178,840 = 28,372,286.88/x
  3. Step 3: Cross multiply
    51,580,906.56x = 71,178,840 × 28,372,286.88
  4. Step 4: Simplify right side
    51,580,906.56x = 2,019,506,468,265,619.25
  5. Step 5: Solve for x
    x = 2,019,506,468,265,619.25/51,580,906.56
  6. Step 6: Final answer
    x = 39,152,209.66

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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.