Home / 173,799,389.40-260,848,383.30-76,904,208.60

Finding the Fourth Proportional to 173,799,389.40, 260,848,383.30 and 76,904,208.60

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Solution

The fourth proportional to 173,799,389.40, 260,848,383.30 and 76,904,208.60 is: 115,422,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,799,389.40 : 260,848,383.30 = 76,904,208.60 : x
  2. Step 2: Convert to fraction form
    173,799,389.40/260,848,383.30 = 76,904,208.60/x
  3. Step 3: Cross multiply
    173,799,389.40x = 260,848,383.30 × 76,904,208.60
  4. Step 4: Simplify right side
    173,799,389.40x = 20,060,338,482,275,956
  5. Step 5: Solve for x
    x = 20,060,338,482,275,956/173,799,389.40
  6. Step 6: Final answer
    x = 115,422,376.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.