Home / 78,758,391,744.96-108,686,585,910.72-43,115,706,757.44

Finding the Fourth Proportional to 78,758,391,744.96, 108,686,585,910.72 and 43,115,706,757.44

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Solution

The fourth proportional to 78,758,391,744.96, 108,686,585,910.72 and 43,115,706,757.44 is: 59,499,678,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,758,391,744.96 : 108,686,585,910.72 = 43,115,706,757.44 : x
  2. Step 2: Convert to fraction form
    78,758,391,744.96/108,686,585,910.72 = 43,115,706,757.44/x
  3. Step 3: Cross multiply
    78,758,391,744.96x = 108,686,585,910.72 × 43,115,706,757.44
  4. Step 4: Simplify right side
    78,758,391,744.96x = 4,686,098,966,593,913,487,360
  5. Step 5: Solve for x
    x = 4,686,098,966,593,913,487,360/78,758,391,744.96
  6. Step 6: Final answer
    x = 59,499,678,228.18

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