Home / 81,877,366.77-122,710,035.33-33,298,793.30

Finding the Fourth Proportional to 81,877,366.77, 122,710,035.33 and 33,298,793.30

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Solution

The fourth proportional to 81,877,366.77, 122,710,035.33 and 33,298,793.30 is: 49,905,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,877,366.77 : 122,710,035.33 = 33,298,793.30 : x
  2. Step 2: Convert to fraction form
    81,877,366.77/122,710,035.33 = 33,298,793.30/x
  3. Step 3: Cross multiply
    81,877,366.77x = 122,710,035.33 × 33,298,793.30
  4. Step 4: Simplify right side
    81,877,366.77x = 4,086,096,101,675,817.50
  5. Step 5: Solve for x
    x = 4,086,096,101,675,817.50/81,877,366.77
  6. Step 6: Final answer
    x = 49,905,074.66

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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.