Home / 133,297,806.14-183,906,420.90-77,531,388.65

Finding the Fourth Proportional to 133,297,806.14, 183,906,420.90 and 77,531,388.65

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Solution

The fourth proportional to 133,297,806.14, 183,906,420.90 and 77,531,388.65 is: 106,967,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,297,806.14 : 183,906,420.90 = 77,531,388.65 : x
  2. Step 2: Convert to fraction form
    133,297,806.14/183,906,420.90 = 77,531,388.65/x
  3. Step 3: Cross multiply
    133,297,806.14x = 183,906,420.90 × 77,531,388.65
  4. Step 4: Simplify right side
    133,297,806.14x = 14,258,520,194,028,384
  5. Step 5: Solve for x
    x = 14,258,520,194,028,384/133,297,806.14
  6. Step 6: Final answer
    x = 106,967,403.34

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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.