Home / 81,684,500,989.80-112,724,611,582.88-44,135,005,693.79

Finding the Fourth Proportional to 81,684,500,989.80, 112,724,611,582.88 and 44,135,005,693.79

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Solution

The fourth proportional to 81,684,500,989.80, 112,724,611,582.88 and 44,135,005,693.79 is: 60,906,307,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,684,500,989.80 : 112,724,611,582.88 = 44,135,005,693.79 : x
  2. Step 2: Convert to fraction form
    81,684,500,989.80/112,724,611,582.88 = 44,135,005,693.79/x
  3. Step 3: Cross multiply
    81,684,500,989.80x = 112,724,611,582.88 × 44,135,005,693.79
  4. Step 4: Simplify right side
    81,684,500,989.80x = 4,975,101,374,040,675,188,736
  5. Step 5: Solve for x
    x = 4,975,101,374,040,675,188,736/81,684,500,989.80
  6. Step 6: Final answer
    x = 60,906,307,974.65

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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.