Home / 88,529,168.80-122,170,010.64-49,370,987.68

Finding the Fourth Proportional to 88,529,168.80, 122,170,010.64 and 49,370,987.68

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Solution

The fourth proportional to 88,529,168.80, 122,170,010.64 and 49,370,987.68 is: 68,131,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,529,168.80 : 122,170,010.64 = 49,370,987.68 : x
  2. Step 2: Convert to fraction form
    88,529,168.80/122,170,010.64 = 49,370,987.68/x
  3. Step 3: Cross multiply
    88,529,168.80x = 122,170,010.64 × 49,370,987.68
  4. Step 4: Simplify right side
    88,529,168.80x = 6,031,654,090,172,909
  5. Step 5: Solve for x
    x = 6,031,654,090,172,909/88,529,168.80
  6. Step 6: Final answer
    x = 68,131,827.87

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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.