Home / 116,747,546.81-161,103,937.21-67,179,920.18

Finding the Fourth Proportional to 116,747,546.81, 161,103,937.21 and 67,179,920.18

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Solution

The fourth proportional to 116,747,546.81, 161,103,937.21 and 67,179,920.18 is: 92,703,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,747,546.81 : 161,103,937.21 = 67,179,920.18 : x
  2. Step 2: Convert to fraction form
    116,747,546.81/161,103,937.21 = 67,179,920.18/x
  3. Step 3: Cross multiply
    116,747,546.81x = 161,103,937.21 × 67,179,920.18
  4. Step 4: Simplify right side
    116,747,546.81x = 10,822,949,642,478,996
  5. Step 5: Solve for x
    x = 10,822,949,642,478,996/116,747,546.81
  6. Step 6: Final answer
    x = 92,703,872.06

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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.