Home / 315,561,886.11-435,467,049.35-176,333,791.95

Finding the Fourth Proportional to 315,561,886.11, 435,467,049.35 and 176,333,791.95

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Solution

The fourth proportional to 315,561,886.11, 435,467,049.35 and 176,333,791.95 is: 243,335,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,886.11 : 435,467,049.35 = 176,333,791.95 : x
  2. Step 2: Convert to fraction form
    315,561,886.11/435,467,049.35 = 176,333,791.95/x
  3. Step 3: Cross multiply
    315,561,886.11x = 435,467,049.35 × 176,333,791.95
  4. Step 4: Simplify right side
    315,561,886.11x = 76,787,556,080,281,616
  5. Step 5: Solve for x
    x = 76,787,556,080,281,616/315,561,886.11
  6. Step 6: Final answer
    x = 243,335,965.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.