Home / 51,979,513.44-71,732,295.72-28,775,027.64

Finding the Fourth Proportional to 51,979,513.44, 71,732,295.72 and 28,775,027.64

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Solution

The fourth proportional to 51,979,513.44, 71,732,295.72 and 28,775,027.64 is: 39,709,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,513.44 : 71,732,295.72 = 28,775,027.64 : x
  2. Step 2: Convert to fraction form
    51,979,513.44/71,732,295.72 = 28,775,027.64/x
  3. Step 3: Cross multiply
    51,979,513.44x = 71,732,295.72 × 28,775,027.64
  4. Step 4: Simplify right side
    51,979,513.44x = 2,064,098,792,023,653.75
  5. Step 5: Solve for x
    x = 2,064,098,792,023,653.75/51,979,513.44
  6. Step 6: Final answer
    x = 39,709,852.12

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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.