Home / 165,967,768.47-248,948,234.03-55,311,474.35

Finding the Fourth Proportional to 165,967,768.47, 248,948,234.03 and 55,311,474.35

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Solution

The fourth proportional to 165,967,768.47, 248,948,234.03 and 55,311,474.35 is: 82,966,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,967,768.47 : 248,948,234.03 = 55,311,474.35 : x
  2. Step 2: Convert to fraction form
    165,967,768.47/248,948,234.03 = 55,311,474.35/x
  3. Step 3: Cross multiply
    165,967,768.47x = 248,948,234.03 × 55,311,474.35
  4. Step 4: Simplify right side
    165,967,768.47x = 13,769,693,859,506,844
  5. Step 5: Solve for x
    x = 13,769,693,859,506,844/165,967,768.47
  6. Step 6: Final answer
    x = 82,966,072.19

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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.