Home / 80,515,910.70-120,773,866.05-37,370,774.70

Finding the Fourth Proportional to 80,515,910.70, 120,773,866.05 and 37,370,774.70

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Solution

The fourth proportional to 80,515,910.70, 120,773,866.05 and 37,370,774.70 is: 56,056,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,515,910.70 : 120,773,866.05 = 37,370,774.70 : x
  2. Step 2: Convert to fraction form
    80,515,910.70/120,773,866.05 = 37,370,774.70/x
  3. Step 3: Cross multiply
    80,515,910.70x = 120,773,866.05 × 37,370,774.70
  4. Step 4: Simplify right side
    80,515,910.70x = 4,513,412,937,802,529
  5. Step 5: Solve for x
    x = 4,513,412,937,802,529/80,515,910.70
  6. Step 6: Final answer
    x = 56,056,162.05

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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.