Home / 171,072,037.80-256,608,056.70-153,753,330.60

Finding the Fourth Proportional to 171,072,037.80, 256,608,056.70 and 153,753,330.60

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Solution

The fourth proportional to 171,072,037.80, 256,608,056.70 and 153,753,330.60 is: 230,629,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,037.80 : 256,608,056.70 = 153,753,330.60 : x
  2. Step 2: Convert to fraction form
    171,072,037.80/256,608,056.70 = 153,753,330.60/x
  3. Step 3: Cross multiply
    171,072,037.80x = 256,608,056.70 × 153,753,330.60
  4. Step 4: Simplify right side
    171,072,037.80x = 39,454,343,376,418,640
  5. Step 5: Solve for x
    x = 39,454,343,376,418,640/171,072,037.80
  6. Step 6: Final answer
    x = 230,629,995.90

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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.