Home / 165,275,676.54-248,068,839.03-86,548,690.98

Finding the Fourth Proportional to 165,275,676.54, 248,068,839.03 and 86,548,690.98

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Solution

The fourth proportional to 165,275,676.54, 248,068,839.03 and 86,548,690.98 is: 129,904,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,275,676.54 : 248,068,839.03 = 86,548,690.98 : x
  2. Step 2: Convert to fraction form
    165,275,676.54/248,068,839.03 = 86,548,690.98/x
  3. Step 3: Cross multiply
    165,275,676.54x = 248,068,839.03 × 86,548,690.98
  4. Step 4: Simplify right side
    165,275,676.54x = 21,470,033,290,974,836
  5. Step 5: Solve for x
    x = 21,470,033,290,974,836/165,275,676.54
  6. Step 6: Final answer
    x = 129,904,373.96

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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.