Home / 80,212,813.92-120,323,886.48-22,700,273.76

Finding the Fourth Proportional to 80,212,813.92, 120,323,886.48 and 22,700,273.76

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Solution

The fourth proportional to 80,212,813.92, 120,323,886.48 and 22,700,273.76 is: 34,051,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212,813.92 : 120,323,886.48 = 22,700,273.76 : x
  2. Step 2: Convert to fraction form
    80,212,813.92/120,323,886.48 = 22,700,273.76/x
  3. Step 3: Cross multiply
    80,212,813.92x = 120,323,886.48 × 22,700,273.76
  4. Step 4: Simplify right side
    80,212,813.92x = 2,731,385,162,963,163
  5. Step 5: Solve for x
    x = 2,731,385,162,963,163/80,212,813.92
  6. Step 6: Final answer
    x = 34,051,731.01

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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.