Home / 53,805,813.20-80,921,296.20-48,278,826.80

Finding the Fourth Proportional to 53,805,813.20, 80,921,296.20 and 48,278,826.80

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Solution

The fourth proportional to 53,805,813.20, 80,921,296.20 and 48,278,826.80 is: 72,608,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,805,813.20 : 80,921,296.20 = 48,278,826.80 : x
  2. Step 2: Convert to fraction form
    53,805,813.20/80,921,296.20 = 48,278,826.80/x
  3. Step 3: Cross multiply
    53,805,813.20x = 80,921,296.20 × 48,278,826.80
  4. Step 4: Simplify right side
    53,805,813.20x = 3,906,785,243,671,298
  5. Step 5: Solve for x
    x = 3,906,785,243,671,298/53,805,813.20
  6. Step 6: Final answer
    x = 72,608,980.54

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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.