Home / 171,072,117.80-256,608,176.70-153,753,410.60

Finding the Fourth Proportional to 171,072,117.80, 256,608,176.70 and 153,753,410.60

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Solution

The fourth proportional to 171,072,117.80, 256,608,176.70 and 153,753,410.60 is: 230,630,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,117.80 : 256,608,176.70 = 153,753,410.60 : x
  2. Step 2: Convert to fraction form
    171,072,117.80/256,608,176.70 = 153,753,410.60/x
  3. Step 3: Cross multiply
    171,072,117.80x = 256,608,176.70 × 153,753,410.60
  4. Step 4: Simplify right side
    171,072,117.80x = 39,454,382,355,472,448
  5. Step 5: Solve for x
    x = 39,454,382,355,472,448/171,072,117.80
  6. Step 6: Final answer
    x = 230,630,115.90

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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.