Home / 81,840,362,772.17-112,938,498,680.43-45,711,922,441.89

Finding the Fourth Proportional to 81,840,362,772.17, 112,938,498,680.43 and 45,711,922,441.89

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Solution

The fourth proportional to 81,840,362,772.17, 112,938,498,680.43 and 45,711,922,441.89 is: 63,081,781,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,840,362,772.17 : 112,938,498,680.43 = 45,711,922,441.89 : x
  2. Step 2: Convert to fraction form
    81,840,362,772.17/112,938,498,680.43 = 45,711,922,441.89/x
  3. Step 3: Cross multiply
    81,840,362,772.17x = 112,938,498,680.43 × 45,711,922,441.89
  4. Step 4: Simplify right side
    81,840,362,772.17x = 5,162,635,892,383,311,462,400
  5. Step 5: Solve for x
    x = 5,162,635,892,383,311,462,400/81,840,362,772.17
  6. Step 6: Final answer
    x = 63,081,781,623.52

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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.