Home / 91,265,028,917.70-125,800,217,505.90-71,942,979,081.36

Finding the Fourth Proportional to 91,265,028,917.70, 125,800,217,505.90 and 71,942,979,081.36

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Solution

The fourth proportional to 91,265,028,917.70, 125,800,217,505.90 and 71,942,979,081.36 is: 99,166,597,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,265,028,917.70 : 125,800,217,505.90 = 71,942,979,081.36 : x
  2. Step 2: Convert to fraction form
    91,265,028,917.70/125,800,217,505.90 = 71,942,979,081.36/x
  3. Step 3: Cross multiply
    91,265,028,917.70x = 125,800,217,505.90 × 71,942,979,081.36
  4. Step 4: Simplify right side
    91,265,028,917.70x = 9,050,442,416,457,501,376,512
  5. Step 5: Solve for x
    x = 9,050,442,416,457,501,376,512/91,265,028,917.70
  6. Step 6: Final answer
    x = 99,166,597,806.25

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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.