Home / 133,297,805.14-183,906,419.52-77,531,387.65

Finding the Fourth Proportional to 133,297,805.14, 183,906,419.52 and 77,531,387.65

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Solution

The fourth proportional to 133,297,805.14, 183,906,419.52 and 77,531,387.65 is: 106,967,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,297,805.14 : 183,906,419.52 = 77,531,387.65 : x
  2. Step 2: Convert to fraction form
    133,297,805.14/183,906,419.52 = 77,531,387.65/x
  3. Step 3: Cross multiply
    133,297,805.14x = 183,906,419.52 × 77,531,387.65
  4. Step 4: Simplify right side
    133,297,805.14x = 14,258,519,903,476,400
  5. Step 5: Solve for x
    x = 14,258,519,903,476,400/133,297,805.14
  6. Step 6: Final answer
    x = 106,967,401.96

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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.