Home / 165,890,279.20-248,835,418.80-146,182,784.80

Finding the Fourth Proportional to 165,890,279.20, 248,835,418.80 and 146,182,784.80

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Solution

The fourth proportional to 165,890,279.20, 248,835,418.80 and 146,182,784.80 is: 219,274,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,890,279.20 : 248,835,418.80 = 146,182,784.80 : x
  2. Step 2: Convert to fraction form
    165,890,279.20/248,835,418.80 = 146,182,784.80/x
  3. Step 3: Cross multiply
    165,890,279.20x = 248,835,418.80 × 146,182,784.80
  4. Step 4: Simplify right side
    165,890,279.20x = 36,375,454,477,058,280
  5. Step 5: Solve for x
    x = 36,375,454,477,058,280/165,890,279.20
  6. Step 6: Final answer
    x = 219,274,177.20

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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.