Home / 213,027,648.80-319,541,473.20-109,715,518.40

Finding the Fourth Proportional to 213,027,648.80, 319,541,473.20 and 109,715,518.40

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Solution

The fourth proportional to 213,027,648.80, 319,541,473.20 and 109,715,518.40 is: 164,573,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,027,648.80 : 319,541,473.20 = 109,715,518.40 : x
  2. Step 2: Convert to fraction form
    213,027,648.80/319,541,473.20 = 109,715,518.40/x
  3. Step 3: Cross multiply
    213,027,648.80x = 319,541,473.20 × 109,715,518.40
  4. Step 4: Simplify right side
    213,027,648.80x = 35,058,658,382,437,708
  5. Step 5: Solve for x
    x = 35,058,658,382,437,708/213,027,648.80
  6. Step 6: Final answer
    x = 164,573,277.60

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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.