Home / 171,072,365.70-256,608,548.55-80,205,140.10

Finding the Fourth Proportional to 171,072,365.70, 256,608,548.55 and 80,205,140.10

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Solution

The fourth proportional to 171,072,365.70, 256,608,548.55 and 80,205,140.10 is: 120,307,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,365.70 : 256,608,548.55 = 80,205,140.10 : x
  2. Step 2: Convert to fraction form
    171,072,365.70/256,608,548.55 = 80,205,140.10/x
  3. Step 3: Cross multiply
    171,072,365.70x = 256,608,548.55 × 80,205,140.10
  4. Step 4: Simplify right side
    171,072,365.70x = 20,581,324,587,310,400
  5. Step 5: Solve for x
    x = 20,581,324,587,310,400/171,072,365.70
  6. Step 6: Final answer
    x = 120,307,710.15

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1.5x scale

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.