Home / 171,072,847.40-256,105,386.30-161,107,125.80

Finding the Fourth Proportional to 171,072,847.40, 256,105,386.30 and 161,107,125.80

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Solution

The fourth proportional to 171,072,847.40, 256,105,386.30 and 161,107,125.80 is: 241,186,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,847.40 : 256,105,386.30 = 161,107,125.80 : x
  2. Step 2: Convert to fraction form
    171,072,847.40/256,105,386.30 = 161,107,125.80/x
  3. Step 3: Cross multiply
    171,072,847.40x = 256,105,386.30 × 161,107,125.80
  4. Step 4: Simplify right side
    171,072,847.40x = 41,260,402,688,691,704
  5. Step 5: Solve for x
    x = 41,260,402,688,691,704/171,072,847.40
  6. Step 6: Final answer
    x = 241,186,157.33

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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.