Home / 171,072,093.80-256,608,140.70-142,350,660.20

Finding the Fourth Proportional to 171,072,093.80, 256,608,140.70 and 142,350,660.20

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Solution

The fourth proportional to 171,072,093.80, 256,608,140.70 and 142,350,660.20 is: 213,525,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,093.80 : 256,608,140.70 = 142,350,660.20 : x
  2. Step 2: Convert to fraction form
    171,072,093.80/256,608,140.70 = 142,350,660.20/x
  3. Step 3: Cross multiply
    171,072,093.80x = 256,608,140.70 × 142,350,660.20
  4. Step 4: Simplify right side
    171,072,093.80x = 36,528,338,241,339,488
  5. Step 5: Solve for x
    x = 36,528,338,241,339,488/171,072,093.80
  6. Step 6: Final answer
    x = 213,525,990.30

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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.