Home / 81,877,369.27-122,710,039.08-33,298,795.80

Finding the Fourth Proportional to 81,877,369.27, 122,710,039.08 and 33,298,795.80

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Solution

The fourth proportional to 81,877,369.27, 122,710,039.08 and 33,298,795.80 is: 49,905,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,877,369.27 : 122,710,039.08 = 33,298,795.80 : x
  2. Step 2: Convert to fraction form
    81,877,369.27/122,710,039.08 = 33,298,795.80/x
  3. Step 3: Cross multiply
    81,877,369.27x = 122,710,039.08 × 33,298,795.80
  4. Step 4: Simplify right side
    81,877,369.27x = 4,086,096,533,934,940
  5. Step 5: Solve for x
    x = 4,086,096,533,934,940/81,877,369.27
  6. Step 6: Final answer
    x = 49,905,078.42

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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.