Home / 171,072,014.20-256,608,021.30-106,574,759.80

Finding the Fourth Proportional to 171,072,014.20, 256,608,021.30 and 106,574,759.80

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Solution

The fourth proportional to 171,072,014.20, 256,608,021.30 and 106,574,759.80 is: 159,862,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,014.20 : 256,608,021.30 = 106,574,759.80 : x
  2. Step 2: Convert to fraction form
    171,072,014.20/256,608,021.30 = 106,574,759.80/x
  3. Step 3: Cross multiply
    171,072,014.20x = 256,608,021.30 × 106,574,759.80
  4. Step 4: Simplify right side
    171,072,014.20x = 27,347,938,232,800,784
  5. Step 5: Solve for x
    x = 27,347,938,232,800,784/171,072,014.20
  6. Step 6: Final answer
    x = 159,862,139.70

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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.