Home / 140,783,459,429.88-194,284,856,132.10-76,557,940,042.32

Finding the Fourth Proportional to 140,783,459,429.88, 194,284,856,132.10 and 76,557,940,042.32

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Solution

The fourth proportional to 140,783,459,429.88, 194,284,856,132.10 and 76,557,940,042.32 is: 105,651,959,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,783,459,429.88 : 194,284,856,132.10 = 76,557,940,042.32 : x
  2. Step 2: Convert to fraction form
    140,783,459,429.88/194,284,856,132.10 = 76,557,940,042.32/x
  3. Step 3: Cross multiply
    140,783,459,429.88x = 194,284,856,132.10 × 76,557,940,042.32
  4. Step 4: Simplify right side
    140,783,459,429.88x = 14,874,048,366,892,080,431,104
  5. Step 5: Solve for x
    x = 14,874,048,366,892,080,431,104/140,783,459,429.88
  6. Step 6: Final answer
    x = 105,651,959,591.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.