Home / 141,121,505,959.88-194,745,215,448.80-76,892,761,913.72

Finding the Fourth Proportional to 141,121,505,959.88, 194,745,215,448.80 and 76,892,761,913.72

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Solution

The fourth proportional to 141,121,505,959.88, 194,745,215,448.80 and 76,892,761,913.72 is: 106,110,669,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,121,505,959.88 : 194,745,215,448.80 = 76,892,761,913.72 : x
  2. Step 2: Convert to fraction form
    141,121,505,959.88/194,745,215,448.80 = 76,892,761,913.72/x
  3. Step 3: Cross multiply
    141,121,505,959.88x = 194,745,215,448.80 × 76,892,761,913.72
  4. Step 4: Simplify right side
    141,121,505,959.88x = 14,974,497,485,339,708,358,656
  5. Step 5: Solve for x
    x = 14,974,497,485,339,708,358,656/141,121,505,959.88
  6. Step 6: Final answer
    x = 106,110,669,550.23

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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.