Home / 76,211,974.08-105,149,353.42-43,166,972.72

Finding the Fourth Proportional to 76,211,974.08, 105,149,353.42 and 43,166,972.72

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Solution

The fourth proportional to 76,211,974.08, 105,149,353.42 and 43,166,972.72 is: 59,557,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,211,974.08 : 105,149,353.42 = 43,166,972.72 : x
  2. Step 2: Convert to fraction form
    76,211,974.08/105,149,353.42 = 43,166,972.72/x
  3. Step 3: Cross multiply
    76,211,974.08x = 105,149,353.42 × 43,166,972.72
  4. Step 4: Simplify right side
    76,211,974.08x = 4,538,979,270,606,779
  5. Step 5: Solve for x
    x = 4,538,979,270,606,779/76,211,974.08
  6. Step 6: Final answer
    x = 59,557,298.25

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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.