Home / 51,351,725.52-70,872,647.83-31,778,917.52

Finding the Fourth Proportional to 51,351,725.52, 70,872,647.83 and 31,778,917.52

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Solution

The fourth proportional to 51,351,725.52, 70,872,647.83 and 31,778,917.52 is: 43,859,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351,725.52 : 70,872,647.83 = 31,778,917.52 : x
  2. Step 2: Convert to fraction form
    51,351,725.52/70,872,647.83 = 31,778,917.52/x
  3. Step 3: Cross multiply
    51,351,725.52x = 70,872,647.83 × 31,778,917.52
  4. Step 4: Simplify right side
    51,351,725.52x = 2,252,256,029,379,766.50
  5. Step 5: Solve for x
    x = 2,252,256,029,379,766.50/51,351,725.52
  6. Step 6: Final answer
    x = 43,859,403.10

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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.