Home / 117,504,049.60-176,256,074.40-85,653,553.60

Finding the Fourth Proportional to 117,504,049.60, 176,256,074.40 and 85,653,553.60

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Solution

The fourth proportional to 117,504,049.60, 176,256,074.40 and 85,653,553.60 is: 128,480,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,049.60 : 176,256,074.40 = 85,653,553.60 : x
  2. Step 2: Convert to fraction form
    117,504,049.60/176,256,074.40 = 85,653,553.60/x
  3. Step 3: Cross multiply
    117,504,049.60x = 176,256,074.40 × 85,653,553.60
  4. Step 4: Simplify right side
    117,504,049.60x = 15,096,959,115,945,988
  5. Step 5: Solve for x
    x = 15,096,959,115,945,988/117,504,049.60
  6. Step 6: Final answer
    x = 128,480,330.40

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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.