Home / 117,839,994.75-162,619,242.57-68,309,098.61

Finding the Fourth Proportional to 117,839,994.75, 162,619,242.57 and 68,309,098.61

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Solution

The fourth proportional to 117,839,994.75, 162,619,242.57 and 68,309,098.61 is: 94,266,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,839,994.75 : 162,619,242.57 = 68,309,098.61 : x
  2. Step 2: Convert to fraction form
    117,839,994.75/162,619,242.57 = 68,309,098.61/x
  3. Step 3: Cross multiply
    117,839,994.75x = 162,619,242.57 × 68,309,098.61
  4. Step 4: Simplify right side
    117,839,994.75x = 11,108,373,875,784,544
  5. Step 5: Solve for x
    x = 11,108,373,875,784,544/117,839,994.75
  6. Step 6: Final answer
    x = 94,266,584.95

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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.