Home / 71,617,805,787.96-98,832,879,249.78-39,065,728,823.17

Finding the Fourth Proportional to 71,617,805,787.96, 98,832,879,249.78 and 39,065,728,823.17

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Solution

The fourth proportional to 71,617,805,787.96, 98,832,879,249.78 and 39,065,728,823.17 is: 53,910,873,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617,805,787.96 : 98,832,879,249.78 = 39,065,728,823.17 : x
  2. Step 2: Convert to fraction form
    71,617,805,787.96/98,832,879,249.78 = 39,065,728,823.17/x
  3. Step 3: Cross multiply
    71,617,805,787.96x = 98,832,879,249.78 × 39,065,728,823.17
  4. Step 4: Simplify right side
    71,617,805,787.96x = 3,860,978,459,584,831,684,608
  5. Step 5: Solve for x
    x = 3,860,978,459,584,831,684,608/71,617,805,787.96
  6. Step 6: Final answer
    x = 53,910,873,379.95

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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.