Home / 81,877,367.77-122,710,036.83-33,298,794.30

Finding the Fourth Proportional to 81,877,367.77, 122,710,036.83 and 33,298,794.30

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Solution

The fourth proportional to 81,877,367.77, 122,710,036.83 and 33,298,794.30 is: 49,905,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,877,367.77 : 122,710,036.83 = 33,298,794.30 : x
  2. Step 2: Convert to fraction form
    81,877,367.77/122,710,036.83 = 33,298,794.30/x
  3. Step 3: Cross multiply
    81,877,367.77x = 122,710,036.83 × 33,298,794.30
  4. Step 4: Simplify right side
    81,877,367.77x = 4,086,096,274,947,594
  5. Step 5: Solve for x
    x = 4,086,096,274,947,594/81,877,367.77
  6. Step 6: Final answer
    x = 49,905,076.17

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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.