Home / 112,521,640.70-168,656,489.85-64,022,728.70

Finding the Fourth Proportional to 112,521,640.70, 168,656,489.85 and 64,022,728.70

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Solution

The fourth proportional to 112,521,640.70, 168,656,489.85 and 64,022,728.70 is: 95,962,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521,640.70 : 168,656,489.85 = 64,022,728.70 : x
  2. Step 2: Convert to fraction form
    112,521,640.70/168,656,489.85 = 64,022,728.70/x
  3. Step 3: Cross multiply
    112,521,640.70x = 168,656,489.85 × 64,022,728.70
  4. Step 4: Simplify right side
    112,521,640.70x = 10,797,848,693,160,854
  5. Step 5: Solve for x
    x = 10,797,848,693,160,854/112,521,640.70
  6. Step 6: Final answer
    x = 95,962,417.77

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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.