Home / 81,877,366.27-122,710,034.58-33,298,792.80

Finding the Fourth Proportional to 81,877,366.27, 122,710,034.58 and 33,298,792.80

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Solution

The fourth proportional to 81,877,366.27, 122,710,034.58 and 33,298,792.80 is: 49,905,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,877,366.27 : 122,710,034.58 = 33,298,792.80 : x
  2. Step 2: Convert to fraction form
    81,877,366.27/122,710,034.58 = 33,298,792.80/x
  3. Step 3: Cross multiply
    81,877,366.27x = 122,710,034.58 × 33,298,792.80
  4. Step 4: Simplify right side
    81,877,366.27x = 4,086,096,015,960,255
  5. Step 5: Solve for x
    x = 4,086,096,015,960,255/81,877,366.27
  6. Step 6: Final answer
    x = 49,905,073.92

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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.