Home / 72,536,483.80-108,804,725.70-49,578,232.60

Finding the Fourth Proportional to 72,536,483.80, 108,804,725.70 and 49,578,232.60

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Solution

The fourth proportional to 72,536,483.80, 108,804,725.70 and 49,578,232.60 is: 74,367,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536,483.80 : 108,804,725.70 = 49,578,232.60 : x
  2. Step 2: Convert to fraction form
    72,536,483.80/108,804,725.70 = 49,578,232.60/x
  3. Step 3: Cross multiply
    72,536,483.80x = 108,804,725.70 × 49,578,232.60
  4. Step 4: Simplify right side
    72,536,483.80x = 5,394,345,998,733,798
  5. Step 5: Solve for x
    x = 5,394,345,998,733,798/72,536,483.80
  6. Step 6: Final answer
    x = 74,367,348.90

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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.