Home / 81,890,509,672.80-122,835,764,509.20-32,205,452,853.60

Finding the Fourth Proportional to 81,890,509,672.80, 122,835,764,509.20 and 32,205,452,853.60

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Solution

The fourth proportional to 81,890,509,672.80, 122,835,764,509.20 and 32,205,452,853.60 is: 48,308,179,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890,509,672.80 : 122,835,764,509.20 = 32,205,452,853.60 : x
  2. Step 2: Convert to fraction form
    81,890,509,672.80/122,835,764,509.20 = 32,205,452,853.60/x
  3. Step 3: Cross multiply
    81,890,509,672.80x = 122,835,764,509.20 × 32,205,452,853.60
  4. Step 4: Simplify right side
    81,890,509,672.80x = 3,955,981,422,636,952,453,120
  5. Step 5: Solve for x
    x = 3,955,981,422,636,952,453,120/81,890,509,672.80
  6. Step 6: Final answer
    x = 48,308,179,280.40

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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.