Home / 81,890,509,983.30-122,835,764,974.95-32,205,453,164.10

Finding the Fourth Proportional to 81,890,509,983.30, 122,835,764,974.95 and 32,205,453,164.10

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Solution

The fourth proportional to 81,890,509,983.30, 122,835,764,974.95 and 32,205,453,164.10 is: 48,308,179,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890,509,983.30 : 122,835,764,974.95 = 32,205,453,164.10 : x
  2. Step 2: Convert to fraction form
    81,890,509,983.30/122,835,764,974.95 = 32,205,453,164.10/x
  3. Step 3: Cross multiply
    81,890,509,983.30x = 122,835,764,974.95 × 32,205,453,164.10
  4. Step 4: Simplify right side
    81,890,509,983.30x = 3,955,981,475,777,147,305,984
  5. Step 5: Solve for x
    x = 3,955,981,475,777,147,305,984/81,890,509,983.30
  6. Step 6: Final answer
    x = 48,308,179,746.15

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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.