Home / 171,072,079.80-256,608,119.70-153,753,372.60

Finding the Fourth Proportional to 171,072,079.80, 256,608,119.70 and 153,753,372.60

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Solution

The fourth proportional to 171,072,079.80, 256,608,119.70 and 153,753,372.60 is: 230,630,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,079.80 : 256,608,119.70 = 153,753,372.60 : x
  2. Step 2: Convert to fraction form
    171,072,079.80/256,608,119.70 = 153,753,372.60/x
  3. Step 3: Cross multiply
    171,072,079.80x = 256,608,119.70 × 153,753,372.60
  4. Step 4: Simplify right side
    171,072,079.80x = 39,454,363,840,419,496
  5. Step 5: Solve for x
    x = 39,454,363,840,419,496/171,072,079.80
  6. Step 6: Final answer
    x = 230,630,058.90

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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.