Home / 72,171,290.20-108,288,039.30-41,905,024.60

Finding the Fourth Proportional to 72,171,290.20, 108,288,039.30 and 41,905,024.60

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Solution

The fourth proportional to 72,171,290.20, 108,288,039.30 and 41,905,024.60 is: 62,875,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,290.20 : 108,288,039.30 = 41,905,024.60 : x
  2. Step 2: Convert to fraction form
    72,171,290.20/108,288,039.30 = 41,905,024.60/x
  3. Step 3: Cross multiply
    72,171,290.20x = 108,288,039.30 × 41,905,024.60
  4. Step 4: Simplify right side
    72,171,290.20x = 4,537,812,950,752,267
  5. Step 5: Solve for x
    x = 4,537,812,950,752,267/72,171,290.20
  6. Step 6: Final answer
    x = 62,875,596.91

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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.