Home / 252,058,755.20-378,088,132.80-161,284,841.60

Finding the Fourth Proportional to 252,058,755.20, 378,088,132.80 and 161,284,841.60

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Solution

The fourth proportional to 252,058,755.20, 378,088,132.80 and 161,284,841.60 is: 241,927,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,058,755.20 : 378,088,132.80 = 161,284,841.60 : x
  2. Step 2: Convert to fraction form
    252,058,755.20/378,088,132.80 = 161,284,841.60/x
  3. Step 3: Cross multiply
    252,058,755.20x = 378,088,132.80 × 161,284,841.60
  4. Step 4: Simplify right side
    252,058,755.20x = 60,979,884,609,487,768
  5. Step 5: Solve for x
    x = 60,979,884,609,487,768/252,058,755.20
  6. Step 6: Final answer
    x = 241,927,262.40

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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.