Home / 81,840,362,846.94-112,938,498,783.86-45,711,922,516.88

Finding the Fourth Proportional to 81,840,362,846.94, 112,938,498,783.86 and 45,711,922,516.88

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Solution

The fourth proportional to 81,840,362,846.94, 112,938,498,783.86 and 45,711,922,516.88 is: 63,081,781,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,840,362,846.94 : 112,938,498,783.86 = 45,711,922,516.88 : x
  2. Step 2: Convert to fraction form
    81,840,362,846.94/112,938,498,783.86 = 45,711,922,516.88/x
  3. Step 3: Cross multiply
    81,840,362,846.94x = 112,938,498,783.86 × 45,711,922,516.88
  4. Step 4: Simplify right side
    81,840,362,846.94x = 5,162,635,905,579,989,598,208
  5. Step 5: Solve for x
    x = 5,162,635,905,579,989,598,208/81,840,362,846.94
  6. Step 6: Final answer
    x = 63,081,781,727.13

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1.5x scale

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.