Home / 81,840,362,847.94-112,938,498,785.24-45,711,922,517.88

Finding the Fourth Proportional to 81,840,362,847.94, 112,938,498,785.24 and 45,711,922,517.88

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Solution

The fourth proportional to 81,840,362,847.94, 112,938,498,785.24 and 45,711,922,517.88 is: 63,081,781,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,840,362,847.94 : 112,938,498,785.24 = 45,711,922,517.88 : x
  2. Step 2: Convert to fraction form
    81,840,362,847.94/112,938,498,785.24 = 45,711,922,517.88/x
  3. Step 3: Cross multiply
    81,840,362,847.94x = 112,938,498,785.24 × 45,711,922,517.88
  4. Step 4: Simplify right side
    81,840,362,847.94x = 5,162,635,905,756,575,039,488
  5. Step 5: Solve for x
    x = 5,162,635,905,756,575,039,488/81,840,362,847.94
  6. Step 6: Final answer
    x = 63,081,781,728.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.