Home / 56,552,285.11-78,043,187.04-31,436,752.51

Finding the Fourth Proportional to 56,552,285.11, 78,043,187.04 and 31,436,752.51

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Solution

The fourth proportional to 56,552,285.11, 78,043,187.04 and 31,436,752.51 is: 43,383,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,552,285.11 : 78,043,187.04 = 31,436,752.51 : x
  2. Step 2: Convert to fraction form
    56,552,285.11/78,043,187.04 = 31,436,752.51/x
  3. Step 3: Cross multiply
    56,552,285.11x = 78,043,187.04 × 31,436,752.51
  4. Step 4: Simplify right side
    56,552,285.11x = 2,453,424,355,608,792.50
  5. Step 5: Solve for x
    x = 2,453,424,355,608,792.50/56,552,285.11
  6. Step 6: Final answer
    x = 43,383,293.02

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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.