Home / 112,530,562.80-168,788,379.24-51,105,139.44

Finding the Fourth Proportional to 112,530,562.80, 168,788,379.24 and 51,105,139.44

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Solution

The fourth proportional to 112,530,562.80, 168,788,379.24 and 51,105,139.44 is: 76,654,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,530,562.80 : 168,788,379.24 = 51,105,139.44 : x
  2. Step 2: Convert to fraction form
    112,530,562.80/168,788,379.24 = 51,105,139.44/x
  3. Step 3: Cross multiply
    112,530,562.80x = 168,788,379.24 × 51,105,139.44
  4. Step 4: Simplify right side
    112,530,562.80x = 8,625,953,656,911,801
  5. Step 5: Solve for x
    x = 8,625,953,656,911,801/112,530,562.80
  6. Step 6: Final answer
    x = 76,654,318.99

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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.