Home / 51,793,856.82-71,475,529.41-28,588,989.78

Finding the Fourth Proportional to 51,793,856.82, 71,475,529.41 and 28,588,989.78

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Solution

The fourth proportional to 51,793,856.82, 71,475,529.41 and 28,588,989.78 is: 39,452,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793,856.82 : 71,475,529.41 = 28,588,989.78 : x
  2. Step 2: Convert to fraction form
    51,793,856.82/71,475,529.41 = 28,588,989.78/x
  3. Step 3: Cross multiply
    51,793,856.82x = 71,475,529.41 × 28,588,989.78
  4. Step 4: Simplify right side
    51,793,856.82x = 2,043,413,179,822,579.50
  5. Step 5: Solve for x
    x = 2,043,413,179,822,579.50/51,793,856.82
  6. Step 6: Final answer
    x = 39,452,809.76

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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.