Home / 165,917,381.70-248,876,072.55-155,300,549.70

Finding the Fourth Proportional to 165,917,381.70, 248,876,072.55 and 155,300,549.70

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Solution

The fourth proportional to 165,917,381.70, 248,876,072.55 and 155,300,549.70 is: 232,950,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,917,381.70 : 248,876,072.55 = 155,300,549.70 : x
  2. Step 2: Convert to fraction form
    165,917,381.70/248,876,072.55 = 155,300,549.70/x
  3. Step 3: Cross multiply
    165,917,381.70x = 248,876,072.55 × 155,300,549.70
  4. Step 4: Simplify right side
    165,917,381.70x = 38,650,590,874,192,080
  5. Step 5: Solve for x
    x = 38,650,590,874,192,080/165,917,381.70
  6. Step 6: Final answer
    x = 232,950,824.55

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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.