Home / 171,072,007.30-256,608,010.95-84,823,725.70

Finding the Fourth Proportional to 171,072,007.30, 256,608,010.95 and 84,823,725.70

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Solution

The fourth proportional to 171,072,007.30, 256,608,010.95 and 84,823,725.70 is: 127,235,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,007.30 : 256,608,010.95 = 84,823,725.70 : x
  2. Step 2: Convert to fraction form
    171,072,007.30/256,608,010.95 = 84,823,725.70/x
  3. Step 3: Cross multiply
    171,072,007.30x = 256,608,010.95 × 84,823,725.70
  4. Step 4: Simplify right side
    171,072,007.30x = 21,766,447,533,245,396
  5. Step 5: Solve for x
    x = 21,766,447,533,245,396/171,072,007.30
  6. Step 6: Final answer
    x = 127,235,588.55

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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.