Home / 117,514,934.40-176,272,401.60-71,530,780.80

Finding the Fourth Proportional to 117,514,934.40, 176,272,401.60 and 71,530,780.80

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Solution

The fourth proportional to 117,514,934.40, 176,272,401.60 and 71,530,780.80 is: 107,296,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,514,934.40 : 176,272,401.60 = 71,530,780.80 : x
  2. Step 2: Convert to fraction form
    117,514,934.40/176,272,401.60 = 71,530,780.80/x
  3. Step 3: Cross multiply
    117,514,934.40x = 176,272,401.60 × 71,530,780.80
  4. Step 4: Simplify right side
    117,514,934.40x = 12,608,902,519,939,168
  5. Step 5: Solve for x
    x = 12,608,902,519,939,168/117,514,934.40
  6. Step 6: Final answer
    x = 107,296,171.20

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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.