Home / 122,807,404.76-169,413,037.04-73,212,832.48

Finding the Fourth Proportional to 122,807,404.76, 169,413,037.04 and 73,212,832.48

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Solution

The fourth proportional to 122,807,404.76, 169,413,037.04 and 73,212,832.48 is: 100,997,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,807,404.76 : 169,413,037.04 = 73,212,832.48 : x
  2. Step 2: Convert to fraction form
    122,807,404.76/169,413,037.04 = 73,212,832.48/x
  3. Step 3: Cross multiply
    122,807,404.76x = 169,413,037.04 × 73,212,832.48
  4. Step 4: Simplify right side
    122,807,404.76x = 12,403,208,300,737,556
  5. Step 5: Solve for x
    x = 12,403,208,300,737,556/122,807,404.76
  6. Step 6: Final answer
    x = 100,997,234.86

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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.