Home / 80,435,780.44-120,635,715.36-37,299,378.76

Finding the Fourth Proportional to 80,435,780.44, 120,635,715.36 and 37,299,378.76

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Solution

The fourth proportional to 80,435,780.44, 120,635,715.36 and 37,299,378.76 is: 55,940,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,435,780.44 : 120,635,715.36 = 37,299,378.76 : x
  2. Step 2: Convert to fraction form
    80,435,780.44/120,635,715.36 = 37,299,378.76/x
  3. Step 3: Cross multiply
    80,435,780.44x = 120,635,715.36 × 37,299,378.76
  4. Step 4: Simplify right side
    80,435,780.44x = 4,499,637,239,196,189.50
  5. Step 5: Solve for x
    x = 4,499,637,239,196,189.50/80,435,780.44
  6. Step 6: Final answer
    x = 55,940,741.98

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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.