Home / 171,072,009.80-256,608,014.70-68,909,366.60

Finding the Fourth Proportional to 171,072,009.80, 256,608,014.70 and 68,909,366.60

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Solution

The fourth proportional to 171,072,009.80, 256,608,014.70 and 68,909,366.60 is: 103,364,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,009.80 : 256,608,014.70 = 68,909,366.60 : x
  2. Step 2: Convert to fraction form
    171,072,009.80/256,608,014.70 = 68,909,366.60/x
  3. Step 3: Cross multiply
    171,072,009.80x = 256,608,014.70 × 68,909,366.60
  4. Step 4: Simplify right side
    171,072,009.80x = 17,682,695,757,460,486
  5. Step 5: Solve for x
    x = 17,682,695,757,460,486/171,072,009.80
  6. Step 6: Final answer
    x = 103,364,049.90

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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.