Home / 186,846,915.20-280,270,372.80-177,493,553.60

Finding the Fourth Proportional to 186,846,915.20, 280,270,372.80 and 177,493,553.60

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Solution

The fourth proportional to 186,846,915.20, 280,270,372.80 and 177,493,553.60 is: 266,240,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,846,915.20 : 280,270,372.80 = 177,493,553.60 : x
  2. Step 2: Convert to fraction form
    186,846,915.20/280,270,372.80 = 177,493,553.60/x
  3. Step 3: Cross multiply
    186,846,915.20x = 280,270,372.80 × 177,493,553.60
  4. Step 4: Simplify right side
    186,846,915.20x = 49,746,184,437,068,784
  5. Step 5: Solve for x
    x = 49,746,184,437,068,784/186,846,915.20
  6. Step 6: Final answer
    x = 266,240,330.40

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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.