Home / 177,921,039.20-266,433,661.20-117,006,965.60

Finding the Fourth Proportional to 177,921,039.20, 266,433,661.20 and 117,006,965.60

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Solution

The fourth proportional to 177,921,039.20, 266,433,661.20 and 117,006,965.60 is: 175,215,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,921,039.20 : 266,433,661.20 = 117,006,965.60 : x
  2. Step 2: Convert to fraction form
    177,921,039.20/266,433,661.20 = 117,006,965.60/x
  3. Step 3: Cross multiply
    177,921,039.20x = 266,433,661.20 × 117,006,965.60
  4. Step 4: Simplify right side
    177,921,039.20x = 31,174,594,230,710,452
  5. Step 5: Solve for x
    x = 31,174,594,230,710,452/177,921,039.20
  6. Step 6: Final answer
    x = 175,215,895.61

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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.